{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2024-35976", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-17T13:50:33.143Z", "datePublished": "2024-05-20T09:42:02.415Z", "dateUpdated": "2024-11-05T09:26:05.308Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:26:05.308Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING\n\nsyzbot reported an illegal copy in xsk_setsockopt() [1]\n\nMake sure to validate setsockopt() @optlen parameter.\n\n[1]\n\n BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]\n BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]\n BUG: KASAN: slab-out-of-bounds in xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420\nRead of size 4 at addr ffff888028c6cde3 by task syz-executor.0/7549\n\nCPU: 0 PID: 7549 Comm: syz-executor.0 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114\n print_address_description mm/kasan/report.c:377 [inline]\n print_report+0x169/0x550 mm/kasan/report.c:488\n kasan_report+0x143/0x180 mm/kasan/report.c:601\n copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]\n copy_from_sockptr include/linux/sockptr.h:55 [inline]\n xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420\n do_sock_setsockopt+0x3af/0x720 net/socket.c:2311\n __sys_setsockopt+0x1ae/0x250 net/socket.c:2334\n __do_sys_setsockopt net/socket.c:2343 [inline]\n __se_sys_setsockopt net/socket.c:2340 [inline]\n __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340\n do_syscall_64+0xfb/0x240\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\nRIP: 0033:0x7fb40587de69\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007fb40665a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036\nRAX: ffffffffffffffda RBX: 00007fb4059abf80 RCX: 00007fb40587de69\nRDX: 0000000000000005 RSI: 000000000000011b RDI: 0000000000000006\nRBP: 00007fb4058ca47a R08: 0000000000000002 R09: 0000000000000000\nR10: 0000000020001980 R11: 0000000000000246 R12: 0000000000000000\nR13: 000000000000000b R14: 00007fb4059abf80 R15: 00007fff57ee4d08\n </TASK>\n\nAllocated by task 7549:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x3f/0x80 mm/kasan/common.c:68\n poison_kmalloc_redzone mm/kasan/common.c:370 [inline]\n __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387\n kasan_kmalloc include/linux/kasan.h:211 [inline]\n __do_kmalloc_node mm/slub.c:3966 [inline]\n __kmalloc+0x233/0x4a0 mm/slub.c:3979\n kmalloc include/linux/slab.h:632 [inline]\n __cgroup_bpf_run_filter_setsockopt+0xd2f/0x1040 kernel/bpf/cgroup.c:1869\n do_sock_setsockopt+0x6b4/0x720 net/socket.c:2293\n __sys_setsockopt+0x1ae/0x250 net/socket.c:2334\n __do_sys_setsockopt net/socket.c:2343 [inline]\n __se_sys_setsockopt net/socket.c:2340 [inline]\n __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340\n do_syscall_64+0xfb/0x240\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nThe buggy address belongs to the object at ffff888028c6cde0\n which belongs to the cache kmalloc-8 of size 8\nThe buggy address is located 1 bytes to the right of\n allocated 2-byte region [ffff888028c6cde0, ffff888028c6cde2)\n\nThe buggy address belongs to the physical page:\npage:ffffea0000a31b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888028c6c9c0 pfn:0x28c6c\nanon flags: 0xfff00000000800(slab|node=0|zone=1|lastcpupid=0x7ff)\npage_type: 0xffffffff()\nraw: 00fff00000000800 ffff888014c41280 0000000000000000 dead000000000001\nraw: ffff888028c6c9c0 0000000080800057 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\npage_owner tracks the page as allocated\npage last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 6648, tgid 6644 (syz-executor.0), ts 133906047828, free_ts 133859922223\n set_page_owner include/linux/page_owner.h:31 [inline]\n post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1533\n prep_new_page mm/page_alloc.c:\n---truncated---"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/xdp/xsk.c"], "versions": [{"version": "423f38329d26", "lessThan": "beb992668305", "status": "affected", "versionType": "git"}, {"version": "423f38329d26", "lessThan": "0b45c25d60e3", "status": "affected", "versionType": "git"}, {"version": "423f38329d26", "lessThan": "a82984b3c6a7", "status": "affected", "versionType": "git"}, {"version": "423f38329d26", "lessThan": "f0a068de65d5", "status": "affected", "versionType": "git"}, {"version": "423f38329d26", "lessThan": "2a523f14a3f5", "status": "affected", "versionType": "git"}, {"version": "423f38329d26", "lessThan": "b143e19dc28c", "status": "affected", "versionType": "git"}, {"version": "423f38329d26", "lessThan": "2eb979fbb247", "status": "affected", "versionType": "git"}, {"version": "423f38329d26", "lessThan": "237f3cf13b20", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/xdp/xsk.c"], "versions": [{"version": "4.18", "status": "affected"}, {"version": "0", "lessThan": "4.18", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.317", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.278", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.216", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.156", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.87", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.28", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8.7", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.9", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/beb99266830520e15fbc6ca8cc5a5240d76851fd"}, {"url": "https://git.kernel.org/stable/c/0b45c25d60e38f5c2cb6823f886773a34323306d"}, {"url": "https://git.kernel.org/stable/c/a82984b3c6a7e8c7937dba6e857ddf829d149417"}, {"url": "https://git.kernel.org/stable/c/f0a068de65d5b7358e9aff792716afa9333f3922"}, {"url": "https://git.kernel.org/stable/c/2a523f14a3f53b46ff0e1fafd215b0bc5f6783aa"}, {"url": "https://git.kernel.org/stable/c/b143e19dc28c3211f050f7848d87d9b0a170e10c"}, {"url": "https://git.kernel.org/stable/c/2eb979fbb2479bcd7e049f2f9978b6590dd8a0e6"}, {"url": "https://git.kernel.org/stable/c/237f3cf13b20db183d3706d997eedc3c49eacd44"}], "title": "xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING", "x_generator": {"engine": "bippy-9e1c9544281a"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-35976", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-05-20T14:37:56.972231Z"}}}], "affected": [{"cpes": ["cpe:2.3:o:linux:linux_kernel:4.18:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "affected", "version": "4.18"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:34:07.661Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T03:21:49.039Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/beb99266830520e15fbc6ca8cc5a5240d76851fd", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/0b45c25d60e38f5c2cb6823f886773a34323306d", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/a82984b3c6a7e8c7937dba6e857ddf829d149417", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/f0a068de65d5b7358e9aff792716afa9333f3922", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/2a523f14a3f53b46ff0e1fafd215b0bc5f6783aa", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/b143e19dc28c3211f050f7848d87d9b0a170e10c", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/2eb979fbb2479bcd7e049f2f9978b6590dd8a0e6", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/237f3cf13b20db183d3706d997eedc3c49eacd44", "tags": ["x_transferred"]}]}]}, "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-35976", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-05-20T14:37:56.972231Z"}}}], "affected": [{"cpes": ["cpe:2.3:o:linux:linux_kernel:4.18:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "affected", "version": "4.18"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-20T14:23:47.544Z"}, "title": "CISA ADP Vulnrichment"}], "cna": {"title": "xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "423f38329d26", "lessThan": "beb992668305", "versionType": "git"}, {"status": "affected", "version": "423f38329d26", "lessThan": "0b45c25d60e3", "versionType": "git"}, {"status": "affected", "version": "423f38329d26", "lessThan": "a82984b3c6a7", "versionType": "git"}, {"status": "affected", "version": "423f38329d26", "lessThan": "f0a068de65d5", "versionType": "git"}, {"status": "affected", "version": "423f38329d26", "lessThan": "2a523f14a3f5", "versionType": "git"}, {"status": "affected", "version": "423f38329d26", "lessThan": "b143e19dc28c", "versionType": "git"}, {"status": "affected", "version": "423f38329d26", "lessThan": "2eb979fbb247", "versionType": "git"}, {"status": "affected", "version": "423f38329d26", "lessThan": "237f3cf13b20", "versionType": "git"}], "programFiles": ["net/xdp/xsk.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.18"}, {"status": "unaffected", "version": "0", "lessThan": "4.18", "versionType": "custom"}, {"status": "unaffected", "version": "4.19.317", "versionType": "custom", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.278", "versionType": "custom", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.216", "versionType": "custom", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.156", "versionType": "custom", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.87", "versionType": "custom", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.28", "versionType": "custom", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.8.7", "versionType": "custom", "lessThanOrEqual": "6.8.*"}, {"status": "unaffected", "version": "6.9", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/xdp/xsk.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/beb99266830520e15fbc6ca8cc5a5240d76851fd"}, {"url": "https://git.kernel.org/stable/c/0b45c25d60e38f5c2cb6823f886773a34323306d"}, {"url": "https://git.kernel.org/stable/c/a82984b3c6a7e8c7937dba6e857ddf829d149417"}, {"url": "https://git.kernel.org/stable/c/f0a068de65d5b7358e9aff792716afa9333f3922"}, {"url": "https://git.kernel.org/stable/c/2a523f14a3f53b46ff0e1fafd215b0bc5f6783aa"}, {"url": "https://git.kernel.org/stable/c/b143e19dc28c3211f050f7848d87d9b0a170e10c"}, {"url": "https://git.kernel.org/stable/c/2eb979fbb2479bcd7e049f2f9978b6590dd8a0e6"}, {"url": "https://git.kernel.org/stable/c/237f3cf13b20db183d3706d997eedc3c49eacd44"}], "x_generator": {"engine": "bippy-7d53e8ef8be4"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING\n\nsyzbot reported an illegal copy in xsk_setsockopt() [1]\n\nMake sure to validate setsockopt() @optlen parameter.\n\n[1]\n\n BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]\n BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]\n BUG: KASAN: slab-out-of-bounds in xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420\nRead of size 4 at addr ffff888028c6cde3 by task syz-executor.0/7549\n\nCPU: 0 PID: 7549 Comm: syz-executor.0 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114\n print_address_description mm/kasan/report.c:377 [inline]\n print_report+0x169/0x550 mm/kasan/report.c:488\n kasan_report+0x143/0x180 mm/kasan/report.c:601\n copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]\n copy_from_sockptr include/linux/sockptr.h:55 [inline]\n xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420\n do_sock_setsockopt+0x3af/0x720 net/socket.c:2311\n __sys_setsockopt+0x1ae/0x250 net/socket.c:2334\n __do_sys_setsockopt net/socket.c:2343 [inline]\n __se_sys_setsockopt net/socket.c:2340 [inline]\n __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340\n do_syscall_64+0xfb/0x240\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\nRIP: 0033:0x7fb40587de69\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007fb40665a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036\nRAX: ffffffffffffffda RBX: 00007fb4059abf80 RCX: 00007fb40587de69\nRDX: 0000000000000005 RSI: 000000000000011b RDI: 0000000000000006\nRBP: 00007fb4058ca47a R08: 0000000000000002 R09: 0000000000000000\nR10: 0000000020001980 R11: 0000000000000246 R12: 0000000000000000\nR13: 000000000000000b R14: 00007fb4059abf80 R15: 00007fff57ee4d08\n </TASK>\n\nAllocated by task 7549:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x3f/0x80 mm/kasan/common.c:68\n poison_kmalloc_redzone mm/kasan/common.c:370 [inline]\n __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387\n kasan_kmalloc include/linux/kasan.h:211 [inline]\n __do_kmalloc_node mm/slub.c:3966 [inline]\n __kmalloc+0x233/0x4a0 mm/slub.c:3979\n kmalloc include/linux/slab.h:632 [inline]\n __cgroup_bpf_run_filter_setsockopt+0xd2f/0x1040 kernel/bpf/cgroup.c:1869\n do_sock_setsockopt+0x6b4/0x720 net/socket.c:2293\n __sys_setsockopt+0x1ae/0x250 net/socket.c:2334\n __do_sys_setsockopt net/socket.c:2343 [inline]\n __se_sys_setsockopt net/socket.c:2340 [inline]\n __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340\n do_syscall_64+0xfb/0x240\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nThe buggy address belongs to the object at ffff888028c6cde0\n which belongs to the cache kmalloc-8 of size 8\nThe buggy address is located 1 bytes to the right of\n allocated 2-byte region [ffff888028c6cde0, ffff888028c6cde2)\n\nThe buggy address belongs to the physical page:\npage:ffffea0000a31b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888028c6c9c0 pfn:0x28c6c\nanon flags: 0xfff00000000800(slab|node=0|zone=1|lastcpupid=0x7ff)\npage_type: 0xffffffff()\nraw: 00fff00000000800 ffff888014c41280 0000000000000000 dead000000000001\nraw: ffff888028c6c9c0 0000000080800057 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\npage_owner tracks the page as allocated\npage last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 6648, tgid 6644 (syz-executor.0), ts 133906047828, free_ts 133859922223\n set_page_owner include/linux/page_owner.h:31 [inline]\n post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1533\n prep_new_page mm/page_alloc.c:\n---truncated---"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-07-05T07:51:26.676Z"}}}, "cveMetadata": {"cveId": "CVE-2024-35976", "state": "PUBLISHED", "dateUpdated": "2024-07-05T07:51:26.676Z", "dateReserved": "2024-05-17T13:50:33.143Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-20T09:42:02.415Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING\n\nsyzbot reported an illegal copy in xsk_setsockopt() [1]\n\nMake sure to validate setsockopt() @optlen parameter.\n\n[1]\n\n BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]\n BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]\n BUG: KASAN: slab-out-of-bounds in xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420\nRead of size 4 at addr ffff888028c6cde3 by task syz-executor.0/7549\n\nCPU: 0 PID: 7549 Comm: syz-executor.0 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114\n print_address_description mm/kasan/report.c:377 [inline]\n print_report+0x169/0x550 mm/kasan/report.c:488\n kasan_report+0x143/0x180 mm/kasan/report.c:601\n copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]\n copy_from_sockptr include/linux/sockptr.h:55 [inline]\n xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420\n do_sock_setsockopt+0x3af/0x720 net/socket.c:2311\n __sys_setsockopt+0x1ae/0x250 net/socket.c:2334\n __do_sys_setsockopt net/socket.c:2343 [inline]\n __se_sys_setsockopt net/socket.c:2340 [inline]\n __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340\n do_syscall_64+0xfb/0x240\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\nRIP: 0033:0x7fb40587de69\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007fb40665a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036\nRAX: ffffffffffffffda RBX: 00007fb4059abf80 RCX: 00007fb40587de69\nRDX: 0000000000000005 RSI: 000000000000011b RDI: 0000000000000006\nRBP: 00007fb4058ca47a R08: 0000000000000002 R09: 0000000000000000\nR10: 0000000020001980 R11: 0000000000000246 R12: 0000000000000000\nR13: 000000000000000b R14: 00007fb4059abf80 R15: 00007fff57ee4d08\n </TASK>\n\nAllocated by task 7549:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x3f/0x80 mm/kasan/common.c:68\n poison_kmalloc_redzone mm/kasan/common.c:370 [inline]\n __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387\n kasan_kmalloc include/linux/kasan.h:211 [inline]\n __do_kmalloc_node mm/slub.c:3966 [inline]\n __kmalloc+0x233/0x4a0 mm/slub.c:3979\n kmalloc include/linux/slab.h:632 [inline]\n __cgroup_bpf_run_filter_setsockopt+0xd2f/0x1040 kernel/bpf/cgroup.c:1869\n do_sock_setsockopt+0x6b4/0x720 net/socket.c:2293\n __sys_setsockopt+0x1ae/0x250 net/socket.c:2334\n __do_sys_setsockopt net/socket.c:2343 [inline]\n __se_sys_setsockopt net/socket.c:2340 [inline]\n __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340\n do_syscall_64+0xfb/0x240\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nThe buggy address belongs to the object at ffff888028c6cde0\n which belongs to the cache kmalloc-8 of size 8\nThe buggy address is located 1 bytes to the right of\n allocated 2-byte region [ffff888028c6cde0, ffff888028c6cde2)\n\nThe buggy address belongs to the physical page:\npage:ffffea0000a31b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888028c6c9c0 pfn:0x28c6c\nanon flags: 0xfff00000000800(slab|node=0|zone=1|lastcpupid=0x7ff)\npage_type: 0xffffffff()\nraw: 00fff00000000800 ffff888014c41280 0000000000000000 dead000000000001\nraw: ffff888028c6c9c0 0000000080800057 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\npage_owner tracks the page as allocated\npage last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 6648, tgid 6644 (syz-executor.0), ts 133906047828, free_ts 133859922223\n set_page_owner include/linux/page_owner.h:31 [inline]\n post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1533\n prep_new_page mm/page_alloc.c:\n---truncated---"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: xsk: validar la entrada del usuario para XDP_{UMEM|COMPLETION}_FILL_RING syzbot inform\u00f3 una copia ilegal en xsk_setsockopt() [1] Aseg\u00farese de validar el par\u00e1metro @optlen setsockopt(). [1] BUG: KASAN: losa fuera de l\u00edmites en copy_from_sockptr_offset include/linux/sockptr.h:49 [en l\u00ednea] ERROR: KASAN: losa fuera de l\u00edmites en copy_from_sockptr include/linux/sockptr.h:55 [en l\u00ednea] ERROR: KASAN: losa fuera de l\u00edmites en xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420 Lectura de tama\u00f1o 4 en la direcci\u00f3n ffff888028c6cde3 mediante la tarea syz-executor.0/7549 CPU: 0 PID: 7549 Comm: syz-executor.0 No contaminado 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 27/03/2024 Seguimiento de llamadas: __dump_stack lib/dump_stack .c:88 [en l\u00ednea] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 print_address_description mm/kasan/report.c:377 [en l\u00ednea] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/ 0x180 mm/kasan/report.c:601 copy_from_sockptr_offset include/linux/sockptr.h:49 [en l\u00ednea] copy_from_sockptr include/linux/sockptr.h:55 [en l\u00ednea] xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420 do_sock_setsockopt+0x3af/0x720 net/socket.c:2311 __sys_setsockopt+0x1ae/0x250 net/socket.c:2334 __do_sys_setsockopt net/socket.c:2343 [en l\u00ednea] __se_sys_setsockopt net/socket.c:2340 [en l\u00ednea] x64_sys_setsockopt+0xb5/ 0xd0 net/socket.c:2340 do_syscall_64+0xfb/0x240 Entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7fb40587de69 C\u00f3digo: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 &lt;48&gt; 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 0c8 EFLAGS: 00000246 ORIG_RAX : 0000000000000036 RAX: ffffffffffffffda RBX: 00007fb4059abf80 RCX: 00007fb40587de69 RDX: 0000000000000005 RSI: 000000000000011b RDI: 000000000 0000006 RBP: 00007fb4058ca47a R08: 0000000000000002 R09: 0000000000000000 R10: 0000000020001980 R11: 0000000000000246 R12: 000000000 0000000 R13: 000000000000000b R14: 00007fb4059abf80 R15: 00007fff57ee4d08 Asignado por tarea 7549: kasan_save_stack mm/kasan/common.c:47 [en l\u00ednea] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 veneno_kmalloc_redzone mm/kasan/common.c:370 [en l\u00ednea] __kasan_kmalloc+0x98/ 0xb0 mm/kasan/common.c:387 kasan_kmalloc include/linux/kasan.h:211 [en l\u00ednea] __do_kmalloc_node mm/slub.c:3966 [en l\u00ednea] __kmalloc+0x233/0x4a0 mm/slub.c:3979 kmalloc include/linux /slab.h:632 [en l\u00ednea] __cgroup_bpf_run_filter_setsockopt+0xd2f/0x1040 kernel/bpf/cgroup.c:1869 do_sock_setsockopt+0x6b4/0x720 net/socket.c:2293 __sys_setsockopt+0x1ae/0x250 334 __do_sys_setsockopt net/ socket.c:2343 [en l\u00ednea] __se_sys_setsockopt net/socket.c:2340 [en l\u00ednea] __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340 do_syscall_64+0xfb/0x240 Entry_SYSCALL_64_after_hwframe+0x6d/0x75 El error la direcci\u00f3n pertenece al objeto en ffff888028c6cde0 que pertenece al cach\u00e9 kmalloc-8 de tama\u00f1o 8 La direcci\u00f3n con errores se encuentra 1 byte a la derecha de la regi\u00f3n asignada de 2 bytes [ffff888028c6cde0, ffff888028c6cde2) La direcci\u00f3n con errores pertenece a la p\u00e1gina f\u00edsica: p\u00e1gina:ffffea0000a31b00 refcount:1 mapcount:0 Mapeo: 00000000000000000000 \u00cdNDICE: 0xffff888028c6c9c0 pfn: 0x28c6c Anon Flags: 0xffff00000000800 (Slab | Node = 0 | Zone = 1 | LastCpupid = 0x7ff) Page_Type: 0xffffffffffff () RAW: 00FFF000000800 0000000000000000 Dead000000000001 Raw: FFFFF888028C6C9C0 000000000080800057 00000001FFFFFFFFFFFFFFF 0000000000000000 P\u00e1gina arrojada porque: Kasan : mal acceso detectado page_owner rastrea la p\u00e1gina como p\u00e1gina asignada por \u00faltima vez mediante orden 0, migrar tipo Inamovible, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 6648, tgid 6644 (syz-executor.0), ts 133906047828, free_ts 133859922223 set _page_owner incluye /linux/page_owner.h:31 [en l\u00ednea] post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1533 prep_new_page mm/page_alloc.c: ---truncado---"}], "id": "CVE-2024-35976", "lastModified": "2024-11-21T09:21:20.397", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.4, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-05-20T10:15:12.273", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0b45c25d60e38f5c2cb6823f886773a34323306d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/237f3cf13b20db183d3706d997eedc3c49eacd44"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2a523f14a3f53b46ff0e1fafd215b0bc5f6783aa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2eb979fbb2479bcd7e049f2f9978b6590dd8a0e6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a82984b3c6a7e8c7937dba6e857ddf829d149417"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b143e19dc28c3211f050f7848d87d9b0a170e10c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/beb99266830520e15fbc6ca8cc5a5240d76851fd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f0a068de65d5b7358e9aff792716afa9333f3922"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/0b45c25d60e38f5c2cb6823f886773a34323306d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/237f3cf13b20db183d3706d997eedc3c49eacd44"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/2a523f14a3f53b46ff0e1fafd215b0bc5f6783aa"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/2eb979fbb2479bcd7e049f2f9978b6590dd8a0e6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/a82984b3c6a7e8c7937dba6e857ddf829d149417"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/b143e19dc28c3211f050f7848d87d9b0a170e10c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/beb99266830520e15fbc6ca8cc5a5240d76851fd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/f0a068de65d5b7358e9aff792716afa9333f3922"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "kernel: xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING", "id": "2281884", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2281884"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nxsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING\nsyzbot reported an illegal copy in xsk_setsockopt() [1]\nMake sure to validate setsockopt() @optlen parameter.\n[1]\nBUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]\nBUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]\nBUG: KASAN: slab-out-of-bounds in xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420\nRead of size 4 at addr ffff888028c6cde3 by task syz-executor.0/7549\nCPU: 0 PID: 7549 Comm: syz-executor.0 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\nCall Trace:\n<TASK>\n__dump_stack lib/dump_stack.c:88 [inline]\ndump_stack_lvl+0x241/0x360 lib/dump_stack.c:114\nprint_address_description mm/kasan/report.c:377 [inline]\nprint_report+0x169/0x550 mm/kasan/report.c:488\nkasan_report+0x143/0x180 mm/kasan/report.c:601\ncopy_from_sockptr_offset include/linux/sockptr.h:49 [inline]\ncopy_from_sockptr include/linux/sockptr.h:55 [inline]\nxsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420\ndo_sock_setsockopt+0x3af/0x720 net/socket.c:2311\n__sys_setsockopt+0x1ae/0x250 net/socket.c:2334\n__do_sys_setsockopt net/socket.c:2343 [inline]\n__se_sys_setsockopt net/socket.c:2340 [inline]\n__x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340\ndo_syscall_64+0xfb/0x240\nentry_SYSCALL_64_after_hwframe+0x6d/0x75\nRIP: 0033:0x7fb40587de69\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007fb40665a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036\nRAX: ffffffffffffffda RBX: 00007fb4059abf80 RCX: 00007fb40587de69\nRDX: 0000000000000005 RSI: 000000000000011b RDI: 0000000000000006\nRBP: 00007fb4058ca47a R08: 0000000000000002 R09: 0000000000000000\nR10: 0000000020001980 R11: 0000000000000246 R12: 0000000000000000\nR13: 000000000000000b R14: 00007fb4059abf80 R15: 00007fff57ee4d08\n</TASK>\nAllocated by task 7549:\nkasan_save_stack mm/kasan/common.c:47 [inline]\nkasan_save_track+0x3f/0x80 mm/kasan/common.c:68\npoison_kmalloc_redzone mm/kasan/common.c:370 [inline]\n__kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387\nkasan_kmalloc include/linux/kasan.h:211 [inline]\n__do_kmalloc_node mm/slub.c:3966 [inline]\n__kmalloc+0x233/0x4a0 mm/slub.c:3979\nkmalloc include/linux/slab.h:632 [inline]\n__cgroup_bpf_run_filter_setsockopt+0xd2f/0x1040 kernel/bpf/cgroup.c:1869\ndo_sock_setsockopt+0x6b4/0x720 net/socket.c:2293\n__sys_setsockopt+0x1ae/0x250 net/socket.c:2334\n__do_sys_setsockopt net/socket.c:2343 [inline]\n__se_sys_setsockopt net/socket.c:2340 [inline]\n__x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340\ndo_syscall_64+0xfb/0x240\nentry_SYSCALL_64_after_hwframe+0x6d/0x75\nThe buggy address belongs to the object at ffff888028c6cde0\nwhich belongs to the cache kmalloc-8 of size 8\nThe buggy address is located 1 bytes to the right of\nallocated 2-byte region [ffff888028c6cde0, ffff888028c6cde2)\nThe buggy address belongs to the physical page:\npage:ffffea0000a31b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888028c6c9c0 pfn:0x28c6c\nanon flags: 0xfff00000000800(slab|node=0|zone=1|lastcpupid=0x7ff)\npage_type: 0xffffffff()\nraw: 00fff00000000800 ffff888014c41280 0000000000000000 dead000000000001\nraw: ffff888028c6c9c0 0000000080800057 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\npage_owner tracks the page as allocated\npage last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 6648, tgid 6644 (syz-executor.0), ts 133906047828, free_ts 133859922223\nset_page_owner include/linux/page_owner.h:31 [inline]\npost_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1533\nprep_new_page mm/page_alloc.c:\n---truncated---"], "name": "CVE-2024-35976", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-35976\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-35976\nhttps://lore.kernel.org/linux-cve-announce/2024052024-CVE-2024-35976-339b@gregkh/T"], "threat_severity": "Low", "upstream_fix": "kernel 5.10.216, kernel 5.15.156, kernel 6.1.87, kernel 6.6.28, kernel 6.8.7, kernel 6.9"}