{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2024-26782", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.177Z", "datePublished": "2024-04-04T08:20:16.472Z", "dateUpdated": "2024-11-05T09:15:43.251Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:15:43.251Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix double-free on socket dismantle\n\nwhen MPTCP server accepts an incoming connection, it clones its listener\nsocket. However, the pointer to 'inet_opt' for the new socket has the same\nvalue as the original one: as a consequence, on program exit it's possible\nto observe the following splat:\n\n BUG: KASAN: double-free in inet_sock_destruct+0x54f/0x8b0\n Free of addr ffff888485950880 by task swapper/25/0\n\n CPU: 25 PID: 0 Comm: swapper/25 Kdump: loaded Not tainted 6.8.0-rc1+ #609\n Hardware name: Supermicro SYS-6027R-72RF/X9DRH-7TF/7F/iTF/iF, BIOS 3.0 07/26/2013\n Call Trace:\n <IRQ>\n dump_stack_lvl+0x32/0x50\n print_report+0xca/0x620\n kasan_report_invalid_free+0x64/0x90\n __kasan_slab_free+0x1aa/0x1f0\n kfree+0xed/0x2e0\n inet_sock_destruct+0x54f/0x8b0\n __sk_destruct+0x48/0x5b0\n rcu_do_batch+0x34e/0xd90\n rcu_core+0x559/0xac0\n __do_softirq+0x183/0x5a4\n irq_exit_rcu+0x12d/0x170\n sysvec_apic_timer_interrupt+0x6b/0x80\n </IRQ>\n <TASK>\n asm_sysvec_apic_timer_interrupt+0x16/0x20\n RIP: 0010:cpuidle_enter_state+0x175/0x300\n Code: 30 00 0f 84 1f 01 00 00 83 e8 01 83 f8 ff 75 e5 48 83 c4 18 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc fb 45 85 ed <0f> 89 60 ff ff ff 48 c1 e5 06 48 c7 43 18 00 00 00 00 48 83 44 2b\n RSP: 0018:ffff888481cf7d90 EFLAGS: 00000202\n RAX: 0000000000000000 RBX: ffff88887facddc8 RCX: 0000000000000000\n RDX: 1ffff1110ff588b1 RSI: 0000000000000019 RDI: ffff88887fac4588\n RBP: 0000000000000004 R08: 0000000000000002 R09: 0000000000043080\n R10: 0009b02ea273363f R11: ffff88887fabf42b R12: ffffffff932592e0\n R13: 0000000000000004 R14: 0000000000000000 R15: 00000022c880ec80\n cpuidle_enter+0x4a/0xa0\n do_idle+0x310/0x410\n cpu_startup_entry+0x51/0x60\n start_secondary+0x211/0x270\n secondary_startup_64_no_verify+0x184/0x18b\n </TASK>\n\n Allocated by task 6853:\n kasan_save_stack+0x1c/0x40\n kasan_save_track+0x10/0x30\n __kasan_kmalloc+0xa6/0xb0\n __kmalloc+0x1eb/0x450\n cipso_v4_sock_setattr+0x96/0x360\n netlbl_sock_setattr+0x132/0x1f0\n selinux_netlbl_socket_post_create+0x6c/0x110\n selinux_socket_post_create+0x37b/0x7f0\n security_socket_post_create+0x63/0xb0\n __sock_create+0x305/0x450\n __sys_socket_create.part.23+0xbd/0x130\n __sys_socket+0x37/0xb0\n __x64_sys_socket+0x6f/0xb0\n do_syscall_64+0x83/0x160\n entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\n Freed by task 6858:\n kasan_save_stack+0x1c/0x40\n kasan_save_track+0x10/0x30\n kasan_save_free_info+0x3b/0x60\n __kasan_slab_free+0x12c/0x1f0\n kfree+0xed/0x2e0\n inet_sock_destruct+0x54f/0x8b0\n __sk_destruct+0x48/0x5b0\n subflow_ulp_release+0x1f0/0x250\n tcp_cleanup_ulp+0x6e/0x110\n tcp_v4_destroy_sock+0x5a/0x3a0\n inet_csk_destroy_sock+0x135/0x390\n tcp_fin+0x416/0x5c0\n tcp_data_queue+0x1bc8/0x4310\n tcp_rcv_state_process+0x15a3/0x47b0\n tcp_v4_do_rcv+0x2c1/0x990\n tcp_v4_rcv+0x41fb/0x5ed0\n ip_protocol_deliver_rcu+0x6d/0x9f0\n ip_local_deliver_finish+0x278/0x360\n ip_local_deliver+0x182/0x2c0\n ip_rcv+0xb5/0x1c0\n __netif_receive_skb_one_core+0x16e/0x1b0\n process_backlog+0x1e3/0x650\n __napi_poll+0xa6/0x500\n net_rx_action+0x740/0xbb0\n __do_softirq+0x183/0x5a4\n\n The buggy address belongs to the object at ffff888485950880\n which belongs to the cache kmalloc-64 of size 64\n The buggy address is located 0 bytes inside of\n 64-byte region [ffff888485950880, ffff8884859508c0)\n\n The buggy address belongs to the physical page:\n page:0000000056d1e95e refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888485950700 pfn:0x485950\n flags: 0x57ffffc0000800(slab|node=1|zone=2|lastcpupid=0x1fffff)\n page_type: 0xffffffff()\n raw: 0057ffffc0000800 ffff88810004c640 ffffea00121b8ac0 dead000000000006\n raw: ffff888485950700 0000000000200019 00000001ffffffff 0000000000000000\n page dumped because: kasan: bad access detected\n\n Memory state around the buggy address:\n ffff888485950780: fa fb fb\n---truncated---"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mptcp/protocol.c"], "versions": [{"version": "cf7da0d66cc1", "lessThan": "f74362a00422", "status": "affected", "versionType": "git"}, {"version": "cf7da0d66cc1", "lessThan": "4a4eeb691253", "status": "affected", "versionType": "git"}, {"version": "cf7da0d66cc1", "lessThan": "d93fd40c6239", "status": "affected", "versionType": "git"}, {"version": "cf7da0d66cc1", "lessThan": "ce0809ada38d", "status": "affected", "versionType": "git"}, {"version": "cf7da0d66cc1", "lessThan": "85933e80d077", "status": "affected", "versionType": "git"}, {"version": "cf7da0d66cc1", "lessThan": "10048689def7", "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/mptcp/protocol.c"], "versions": [{"version": "5.6", "status": "affected"}, {"version": "0", "lessThan": "5.6", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.212", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.151", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.81", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.21", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.7.9", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/f74362a004225df935863dea6eb7d82daaa5b16e"}, {"url": "https://git.kernel.org/stable/c/4a4eeb6912538c2d0b158e8d11b62d96c1dada4e"}, {"url": "https://git.kernel.org/stable/c/d93fd40c62397326046902a2c5cb75af50882a85"}, {"url": "https://git.kernel.org/stable/c/ce0809ada38dca8d6d41bb57ab40494855c30582"}, {"url": "https://git.kernel.org/stable/c/85933e80d077c9ae2227226beb86c22f464059cc"}, {"url": "https://git.kernel.org/stable/c/10048689def7e40a4405acda16fdc6477d4ecc5c"}], "title": "mptcp: fix double-free on socket dismantle", "x_generator": {"engine": "bippy-9e1c9544281a"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:14:13.370Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/f74362a004225df935863dea6eb7d82daaa5b16e", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/4a4eeb6912538c2d0b158e8d11b62d96c1dada4e", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/d93fd40c62397326046902a2c5cb75af50882a85", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ce0809ada38dca8d6d41bb57ab40494855c30582", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/85933e80d077c9ae2227226beb86c22f464059cc", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/10048689def7e40a4405acda16fdc6477d4ecc5c", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-26782", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T15:51:05.325955Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:33:51.835Z"}}]}, "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/f74362a004225df935863dea6eb7d82daaa5b16e", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/4a4eeb6912538c2d0b158e8d11b62d96c1dada4e", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/d93fd40c62397326046902a2c5cb75af50882a85", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ce0809ada38dca8d6d41bb57ab40494855c30582", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/85933e80d077c9ae2227226beb86c22f464059cc", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/10048689def7e40a4405acda16fdc6477d4ecc5c", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:14:13.370Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-26782", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T15:51:05.325955Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T12:42:19.282Z"}}], "cna": {"title": "mptcp: fix double-free on socket dismantle", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "cf7da0d66cc1", "lessThan": "f74362a00422", "versionType": "git"}, {"status": "affected", "version": "cf7da0d66cc1", "lessThan": "4a4eeb691253", "versionType": "git"}, {"status": "affected", "version": "cf7da0d66cc1", "lessThan": "d93fd40c6239", "versionType": "git"}, {"status": "affected", "version": "cf7da0d66cc1", "lessThan": "ce0809ada38d", "versionType": "git"}, {"status": "affected", "version": "cf7da0d66cc1", "lessThan": "85933e80d077", "versionType": "git"}, {"status": "affected", "version": "cf7da0d66cc1", "lessThan": "10048689def7", "versionType": "git"}], "programFiles": ["net/mptcp/protocol.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.6"}, {"status": "unaffected", "version": "0", "lessThan": "5.6", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.212", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.151", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.81", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.21", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.7.9", "versionType": "semver", "lessThanOrEqual": "6.7.*"}, {"status": "unaffected", "version": "6.8", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/mptcp/protocol.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/f74362a004225df935863dea6eb7d82daaa5b16e"}, {"url": "https://git.kernel.org/stable/c/4a4eeb6912538c2d0b158e8d11b62d96c1dada4e"}, {"url": "https://git.kernel.org/stable/c/d93fd40c62397326046902a2c5cb75af50882a85"}, {"url": "https://git.kernel.org/stable/c/ce0809ada38dca8d6d41bb57ab40494855c30582"}, {"url": "https://git.kernel.org/stable/c/85933e80d077c9ae2227226beb86c22f464059cc"}, {"url": "https://git.kernel.org/stable/c/10048689def7e40a4405acda16fdc6477d4ecc5c"}], "x_generator": {"engine": "bippy-9e1c9544281a"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix double-free on socket dismantle\n\nwhen MPTCP server accepts an incoming connection, it clones its listener\nsocket. However, the pointer to 'inet_opt' for the new socket has the same\nvalue as the original one: as a consequence, on program exit it's possible\nto observe the following splat:\n\n BUG: KASAN: double-free in inet_sock_destruct+0x54f/0x8b0\n Free of addr ffff888485950880 by task swapper/25/0\n\n CPU: 25 PID: 0 Comm: swapper/25 Kdump: loaded Not tainted 6.8.0-rc1+ #609\n Hardware name: Supermicro SYS-6027R-72RF/X9DRH-7TF/7F/iTF/iF, BIOS 3.0 07/26/2013\n Call Trace:\n <IRQ>\n dump_stack_lvl+0x32/0x50\n print_report+0xca/0x620\n kasan_report_invalid_free+0x64/0x90\n __kasan_slab_free+0x1aa/0x1f0\n kfree+0xed/0x2e0\n inet_sock_destruct+0x54f/0x8b0\n __sk_destruct+0x48/0x5b0\n rcu_do_batch+0x34e/0xd90\n rcu_core+0x559/0xac0\n __do_softirq+0x183/0x5a4\n irq_exit_rcu+0x12d/0x170\n sysvec_apic_timer_interrupt+0x6b/0x80\n </IRQ>\n <TASK>\n asm_sysvec_apic_timer_interrupt+0x16/0x20\n RIP: 0010:cpuidle_enter_state+0x175/0x300\n Code: 30 00 0f 84 1f 01 00 00 83 e8 01 83 f8 ff 75 e5 48 83 c4 18 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc fb 45 85 ed <0f> 89 60 ff ff ff 48 c1 e5 06 48 c7 43 18 00 00 00 00 48 83 44 2b\n RSP: 0018:ffff888481cf7d90 EFLAGS: 00000202\n RAX: 0000000000000000 RBX: ffff88887facddc8 RCX: 0000000000000000\n RDX: 1ffff1110ff588b1 RSI: 0000000000000019 RDI: ffff88887fac4588\n RBP: 0000000000000004 R08: 0000000000000002 R09: 0000000000043080\n R10: 0009b02ea273363f R11: ffff88887fabf42b R12: ffffffff932592e0\n R13: 0000000000000004 R14: 0000000000000000 R15: 00000022c880ec80\n cpuidle_enter+0x4a/0xa0\n do_idle+0x310/0x410\n cpu_startup_entry+0x51/0x60\n start_secondary+0x211/0x270\n secondary_startup_64_no_verify+0x184/0x18b\n </TASK>\n\n Allocated by task 6853:\n kasan_save_stack+0x1c/0x40\n kasan_save_track+0x10/0x30\n __kasan_kmalloc+0xa6/0xb0\n __kmalloc+0x1eb/0x450\n cipso_v4_sock_setattr+0x96/0x360\n netlbl_sock_setattr+0x132/0x1f0\n selinux_netlbl_socket_post_create+0x6c/0x110\n selinux_socket_post_create+0x37b/0x7f0\n security_socket_post_create+0x63/0xb0\n __sock_create+0x305/0x450\n __sys_socket_create.part.23+0xbd/0x130\n __sys_socket+0x37/0xb0\n __x64_sys_socket+0x6f/0xb0\n do_syscall_64+0x83/0x160\n entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\n Freed by task 6858:\n kasan_save_stack+0x1c/0x40\n kasan_save_track+0x10/0x30\n kasan_save_free_info+0x3b/0x60\n __kasan_slab_free+0x12c/0x1f0\n kfree+0xed/0x2e0\n inet_sock_destruct+0x54f/0x8b0\n __sk_destruct+0x48/0x5b0\n subflow_ulp_release+0x1f0/0x250\n tcp_cleanup_ulp+0x6e/0x110\n tcp_v4_destroy_sock+0x5a/0x3a0\n inet_csk_destroy_sock+0x135/0x390\n tcp_fin+0x416/0x5c0\n tcp_data_queue+0x1bc8/0x4310\n tcp_rcv_state_process+0x15a3/0x47b0\n tcp_v4_do_rcv+0x2c1/0x990\n tcp_v4_rcv+0x41fb/0x5ed0\n ip_protocol_deliver_rcu+0x6d/0x9f0\n ip_local_deliver_finish+0x278/0x360\n ip_local_deliver+0x182/0x2c0\n ip_rcv+0xb5/0x1c0\n __netif_receive_skb_one_core+0x16e/0x1b0\n process_backlog+0x1e3/0x650\n __napi_poll+0xa6/0x500\n net_rx_action+0x740/0xbb0\n __do_softirq+0x183/0x5a4\n\n The buggy address belongs to the object at ffff888485950880\n which belongs to the cache kmalloc-64 of size 64\n The buggy address is located 0 bytes inside of\n 64-byte region [ffff888485950880, ffff8884859508c0)\n\n The buggy address belongs to the physical page:\n page:0000000056d1e95e refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888485950700 pfn:0x485950\n flags: 0x57ffffc0000800(slab|node=1|zone=2|lastcpupid=0x1fffff)\n page_type: 0xffffffff()\n raw: 0057ffffc0000800 ffff88810004c640 ffffea00121b8ac0 dead000000000006\n raw: ffff888485950700 0000000000200019 00000001ffffffff 0000000000000000\n page dumped because: kasan: bad access detected\n\n Memory state around the buggy address:\n ffff888485950780: fa fb fb\n---truncated---"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:15:43.251Z"}}}, "cveMetadata": {"cveId": "CVE-2024-26782", "state": "PUBLISHED", "dateUpdated": "2024-11-05T09:15:43.251Z", "dateReserved": "2024-02-19T14:20:24.177Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-04-04T08:20:16.472Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix double-free on socket dismantle\n\nwhen MPTCP server accepts an incoming connection, it clones its listener\nsocket. However, the pointer to 'inet_opt' for the new socket has the same\nvalue as the original one: as a consequence, on program exit it's possible\nto observe the following splat:\n\n BUG: KASAN: double-free in inet_sock_destruct+0x54f/0x8b0\n Free of addr ffff888485950880 by task swapper/25/0\n\n CPU: 25 PID: 0 Comm: swapper/25 Kdump: loaded Not tainted 6.8.0-rc1+ #609\n Hardware name: Supermicro SYS-6027R-72RF/X9DRH-7TF/7F/iTF/iF, BIOS 3.0 07/26/2013\n Call Trace:\n <IRQ>\n dump_stack_lvl+0x32/0x50\n print_report+0xca/0x620\n kasan_report_invalid_free+0x64/0x90\n __kasan_slab_free+0x1aa/0x1f0\n kfree+0xed/0x2e0\n inet_sock_destruct+0x54f/0x8b0\n __sk_destruct+0x48/0x5b0\n rcu_do_batch+0x34e/0xd90\n rcu_core+0x559/0xac0\n __do_softirq+0x183/0x5a4\n irq_exit_rcu+0x12d/0x170\n sysvec_apic_timer_interrupt+0x6b/0x80\n </IRQ>\n <TASK>\n asm_sysvec_apic_timer_interrupt+0x16/0x20\n RIP: 0010:cpuidle_enter_state+0x175/0x300\n Code: 30 00 0f 84 1f 01 00 00 83 e8 01 83 f8 ff 75 e5 48 83 c4 18 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc fb 45 85 ed <0f> 89 60 ff ff ff 48 c1 e5 06 48 c7 43 18 00 00 00 00 48 83 44 2b\n RSP: 0018:ffff888481cf7d90 EFLAGS: 00000202\n RAX: 0000000000000000 RBX: ffff88887facddc8 RCX: 0000000000000000\n RDX: 1ffff1110ff588b1 RSI: 0000000000000019 RDI: ffff88887fac4588\n RBP: 0000000000000004 R08: 0000000000000002 R09: 0000000000043080\n R10: 0009b02ea273363f R11: ffff88887fabf42b R12: ffffffff932592e0\n R13: 0000000000000004 R14: 0000000000000000 R15: 00000022c880ec80\n cpuidle_enter+0x4a/0xa0\n do_idle+0x310/0x410\n cpu_startup_entry+0x51/0x60\n start_secondary+0x211/0x270\n secondary_startup_64_no_verify+0x184/0x18b\n </TASK>\n\n Allocated by task 6853:\n kasan_save_stack+0x1c/0x40\n kasan_save_track+0x10/0x30\n __kasan_kmalloc+0xa6/0xb0\n __kmalloc+0x1eb/0x450\n cipso_v4_sock_setattr+0x96/0x360\n netlbl_sock_setattr+0x132/0x1f0\n selinux_netlbl_socket_post_create+0x6c/0x110\n selinux_socket_post_create+0x37b/0x7f0\n security_socket_post_create+0x63/0xb0\n __sock_create+0x305/0x450\n __sys_socket_create.part.23+0xbd/0x130\n __sys_socket+0x37/0xb0\n __x64_sys_socket+0x6f/0xb0\n do_syscall_64+0x83/0x160\n entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\n Freed by task 6858:\n kasan_save_stack+0x1c/0x40\n kasan_save_track+0x10/0x30\n kasan_save_free_info+0x3b/0x60\n __kasan_slab_free+0x12c/0x1f0\n kfree+0xed/0x2e0\n inet_sock_destruct+0x54f/0x8b0\n __sk_destruct+0x48/0x5b0\n subflow_ulp_release+0x1f0/0x250\n tcp_cleanup_ulp+0x6e/0x110\n tcp_v4_destroy_sock+0x5a/0x3a0\n inet_csk_destroy_sock+0x135/0x390\n tcp_fin+0x416/0x5c0\n tcp_data_queue+0x1bc8/0x4310\n tcp_rcv_state_process+0x15a3/0x47b0\n tcp_v4_do_rcv+0x2c1/0x990\n tcp_v4_rcv+0x41fb/0x5ed0\n ip_protocol_deliver_rcu+0x6d/0x9f0\n ip_local_deliver_finish+0x278/0x360\n ip_local_deliver+0x182/0x2c0\n ip_rcv+0xb5/0x1c0\n __netif_receive_skb_one_core+0x16e/0x1b0\n process_backlog+0x1e3/0x650\n __napi_poll+0xa6/0x500\n net_rx_action+0x740/0xbb0\n __do_softirq+0x183/0x5a4\n\n The buggy address belongs to the object at ffff888485950880\n which belongs to the cache kmalloc-64 of size 64\n The buggy address is located 0 bytes inside of\n 64-byte region [ffff888485950880, ffff8884859508c0)\n\n The buggy address belongs to the physical page:\n page:0000000056d1e95e refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888485950700 pfn:0x485950\n flags: 0x57ffffc0000800(slab|node=1|zone=2|lastcpupid=0x1fffff)\n page_type: 0xffffffff()\n raw: 0057ffffc0000800 ffff88810004c640 ffffea00121b8ac0 dead000000000006\n raw: ffff888485950700 0000000000200019 00000001ffffffff 0000000000000000\n page dumped because: kasan: bad access detected\n\n Memory state around the buggy address:\n ffff888485950780: fa fb fb\n---truncated---"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mptcp: corrige la doble liberaci\u00f3n al desmantelar el socket cuando el servidor MPTCP acepta una conexi\u00f3n entrante, clona su socket de escucha. Sin embargo, el puntero a 'inet_opt' para el nuevo socket tiene el mismo valor que el original: como consecuencia, al salir del programa es posible observar el siguiente s\u00edmbolo: ERROR: KASAN: double-free in inet_sock_destruct+0x54f/0x8b0 Free de addr ffff888485950880 por task swapper/25/0 CPU: 25 PID: 0 Comm: swapper/25 Kdump: cargado No contaminado 6.8.0-rc1+ #609 Nombre de hardware: Supermicro SYS-6027R-72RF/X9DRH-7TF/7F/iTF /iF, BIOS 3.0 26/07/2013 Seguimiento de llamadas: dump_stack_lvl+0x32/0x50 print_report+0xca/0x620 kasan_report_invalid_free+0x64/0x90 __kasan_slab_free+0x1aa/0x1f0 kfree+0xed/0x2e0 inet_sock_destruct+0x 54f/0x8b0 __sk_destruct+0x48/ 0x5b0 rcu_do_batch+0x34e/0xd90 rcu_core+0x559/0xac0 __do_softirq+0x183/0x5a4 irq_exit_rcu+0x12d/0x170 sysvec_apic_timer_interrupt+0x6b/0x80 asm_sysvec_apic _timer_interrupt+0x16/0x20 RIP: 0010:cpuidle_enter_state+0x175/0x300 C\u00f3digo: 30 00 0f 84 1f 01 00 00 83 e8 01 83 f8 ff 75 e5 48 83 c4 18 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc fb 45 85 ed &lt;0f&gt; 89 60 ff ff ff 48 c1 e5 06 48 c7 43 18 00 00 00 00 48 83 44 2b RSP: 0018:ffff888481cf7d90 EFLAGS: 00000202 RAX: 00000000000000000 RBX: ffff88887facddc8 RCX: 00000 00000000000 RDX: 1ffff1110ff588b1 RSI: 0000000000000019 RDI: ffff88887fac4588 RBP: 00000000000000004 R08: 0000000000000002 R09: 0000000000043 080 R10: 0009b02ea273363f R11: ffff88887fabf42b R12: ffffffff932592e0 R13: 0000000000000004 R14: 00000000000000000 R15: 00000022c880ec80 cpuidle_enter+ 0x4a/0xa0 do_idle+0x310/0x410 cpu_startup_entry+0x51/0x60 start_secondary+0x211/0x270 second_startup_64_no_verify+0x184/0x18b Asignado por tarea 6853: kasan_save_stack+0x1c/0x40 kasan_save_track+0x10/0x30 __kasan_kmalloc+0xa6/0xb0 __kmalloc+0x1eb/0x450 cipso_v4_sock_setattr+0x96/0x360 netlbl_sock_setattr+0x132/0x1f0 selinux_net lbl_socket_post_create+0x6c/0x110 selinux_socket_post_create+0x37b/0x7f0 seguridad_socket_post_create+0x63/0xb0 __sock_create+0x305 /0x450 __sys_socket_create.part.23+0xbd/0x130 __sys_socket+0x37/0xb0 __x64_sys_socket+0x6f/0xb0 do_syscall_64+0x83/0x160 Entry_SYSCALL_64_after_hwframe+0x6e/0x76 Liberado por la tarea 68 58: kasan_save_stack+0x1c/0x40 kasan_save_track+0x10/0x30 kasan_save_free_info+0x3b/ 0x60 __kasan_slab_free+0x12c/0x1f0 kfree+0xed/0x2e0 inet_sock_destruct+0x54f/0x8b0 __sk_destruct+0x48/0x5b0 subflow_ulp_release+0x1f0/0x250 tcp_cleanup_ulp+0x6e/0x110 tcp_v4_destroy _sock+0x5a/0x3a0 inet_csk_destroy_sock+0x135/0x390 tcp_fin+0x416/0x5c0 tcp_data_queue+0x1bc8/ 0x4310 tcp_rcv_state_process+0x15a3/0x47b0 tcp_v4_do_rcv+0x2c1/0x990 tcp_v4_rcv+0x41fb/0x5ed0 ip_protocol_deliver_rcu+0x6d/0x9f0 ip_local_deliver_finish+0x278/0x360 ip_ local_deliver+0x182/0x2c0 ip_rcv+0xb5/0x1c0 __netif_receive_skb_one_core+0x16e/0x1b0 Process_backlog+0x1e3/0x650 __napi_poll+0xa6/ 0x500 net_rx_action+0x740/0xbb0 __do_softirq+0x183/0x5a4 La direcci\u00f3n con errores pertenece al objeto en ffff888485950880 que pertenece al cach\u00e9 kmalloc-64 de tama\u00f1o 64. La direcci\u00f3n con errores se encuentra a 0 bytes dentro de la regi\u00f3n de 64 bytes [ffff888485950880, ffff88848 59508c0) El La direcci\u00f3n con errores pertenece a la p\u00e1gina f\u00edsica: p\u00e1gina:0000000056d1e95e refcount:1 mapcount:0 mapeo:0000000000000000 \u00edndice:0xffff888485950700 pfn:0x485950 banderas: 0x57ffffc0000800(slab|node=1|zone=2|lastcpupid=0x1f ffff) tipo_p\u00e1gina: 0xffffffff() sin procesar : 0057ffffc0000800 ffff88810004c640 ffffea00121b8ac0 dead000000000006 raw: ffff888485950700 0000000000200019 00000001ffffffff 0000000000000000 p\u00e1gina volcada porque: kasan: se detect\u00f3 mal acceso Estado de la memoria alrededor de la direcci\u00f3n con errores: ffff888485950780: fa fb fb ---truncado---"}], "id": "CVE-2024-26782", "lastModified": "2024-11-05T10:15:49.490", "metrics": {}, "published": "2024-04-04T09:15:08.020", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/10048689def7e40a4405acda16fdc6477d4ecc5c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4a4eeb6912538c2d0b158e8d11b62d96c1dada4e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/85933e80d077c9ae2227226beb86c22f464059cc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ce0809ada38dca8d6d41bb57ab40494855c30582"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d93fd40c62397326046902a2c5cb75af50882a85"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f74362a004225df935863dea6eb7d82daaa5b16e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"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: mptcp: fix double-free on socket dismantle", "id": "2273468", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2273468"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/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:\nmptcp: fix double-free on socket dismantle\nwhen MPTCP server accepts an incoming connection, it clones its listener\nsocket. However, the pointer to 'inet_opt' for the new socket has the same\nvalue as the original one: as a consequence, on program exit it's possible\nto observe the following splat:\nBUG: KASAN: double-free in inet_sock_destruct+0x54f/0x8b0\nFree of addr ffff888485950880 by task swapper/25/0\nCPU: 25 PID: 0 Comm: swapper/25 Kdump: loaded Not tainted 6.8.0-rc1+ #609\nHardware name: Supermicro SYS-6027R-72RF/X9DRH-7TF/7F/iTF/iF, BIOS 3.0 07/26/2013\nCall Trace:\n<IRQ>\ndump_stack_lvl+0x32/0x50\nprint_report+0xca/0x620\nkasan_report_invalid_free+0x64/0x90\n__kasan_slab_free+0x1aa/0x1f0\nkfree+0xed/0x2e0\ninet_sock_destruct+0x54f/0x8b0\n__sk_destruct+0x48/0x5b0\nrcu_do_batch+0x34e/0xd90\nrcu_core+0x559/0xac0\n__do_softirq+0x183/0x5a4\nirq_exit_rcu+0x12d/0x170\nsysvec_apic_timer_interrupt+0x6b/0x80\n</IRQ>\n<TASK>\nasm_sysvec_apic_timer_interrupt+0x16/0x20\nRIP: 0010:cpuidle_enter_state+0x175/0x300\nCode: 30 00 0f 84 1f 01 00 00 83 e8 01 83 f8 ff 75 e5 48 83 c4 18 44 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc fb 45 85 ed <0f> 89 60 ff ff ff 48 c1 e5 06 48 c7 43 18 00 00 00 00 48 83 44 2b\nRSP: 0018:ffff888481cf7d90 EFLAGS: 00000202\nRAX: 0000000000000000 RBX: ffff88887facddc8 RCX: 0000000000000000\nRDX: 1ffff1110ff588b1 RSI: 0000000000000019 RDI: ffff88887fac4588\nRBP: 0000000000000004 R08: 0000000000000002 R09: 0000000000043080\nR10: 0009b02ea273363f R11: ffff88887fabf42b R12: ffffffff932592e0\nR13: 0000000000000004 R14: 0000000000000000 R15: 00000022c880ec80\ncpuidle_enter+0x4a/0xa0\ndo_idle+0x310/0x410\ncpu_startup_entry+0x51/0x60\nstart_secondary+0x211/0x270\nsecondary_startup_64_no_verify+0x184/0x18b\n</TASK>\nAllocated by task 6853:\nkasan_save_stack+0x1c/0x40\nkasan_save_track+0x10/0x30\n__kasan_kmalloc+0xa6/0xb0\n__kmalloc+0x1eb/0x450\ncipso_v4_sock_setattr+0x96/0x360\nnetlbl_sock_setattr+0x132/0x1f0\nselinux_netlbl_socket_post_create+0x6c/0x110\nselinux_socket_post_create+0x37b/0x7f0\nsecurity_socket_post_create+0x63/0xb0\n__sock_create+0x305/0x450\n__sys_socket_create.part.23+0xbd/0x130\n__sys_socket+0x37/0xb0\n__x64_sys_socket+0x6f/0xb0\ndo_syscall_64+0x83/0x160\nentry_SYSCALL_64_after_hwframe+0x6e/0x76\nFreed by task 6858:\nkasan_save_stack+0x1c/0x40\nkasan_save_track+0x10/0x30\nkasan_save_free_info+0x3b/0x60\n__kasan_slab_free+0x12c/0x1f0\nkfree+0xed/0x2e0\ninet_sock_destruct+0x54f/0x8b0\n__sk_destruct+0x48/0x5b0\nsubflow_ulp_release+0x1f0/0x250\ntcp_cleanup_ulp+0x6e/0x110\ntcp_v4_destroy_sock+0x5a/0x3a0\ninet_csk_destroy_sock+0x135/0x390\ntcp_fin+0x416/0x5c0\ntcp_data_queue+0x1bc8/0x4310\ntcp_rcv_state_process+0x15a3/0x47b0\ntcp_v4_do_rcv+0x2c1/0x990\ntcp_v4_rcv+0x41fb/0x5ed0\nip_protocol_deliver_rcu+0x6d/0x9f0\nip_local_deliver_finish+0x278/0x360\nip_local_deliver+0x182/0x2c0\nip_rcv+0xb5/0x1c0\n__netif_receive_skb_one_core+0x16e/0x1b0\nprocess_backlog+0x1e3/0x650\n__napi_poll+0xa6/0x500\nnet_rx_action+0x740/0xbb0\n__do_softirq+0x183/0x5a4\nThe buggy address belongs to the object at ffff888485950880\nwhich belongs to the cache kmalloc-64 of size 64\nThe buggy address is located 0 bytes inside of\n64-byte region [ffff888485950880, ffff8884859508c0)\nThe buggy address belongs to the physical page:\npage:0000000056d1e95e refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888485950700 pfn:0x485950\nflags: 0x57ffffc0000800(slab|node=1|zone=2|lastcpupid=0x1fffff)\npage_type: 0xffffffff()\nraw: 0057ffffc0000800 ffff88810004c640 ffffea00121b8ac0 dead000000000006\nraw: ffff888485950700 0000000000200019 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\nMemory state around the buggy address:\nffff888485950780: fa fb fb\n---truncated---"], "name": "CVE-2024-26782", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "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": "2024-04-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26782\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26782\nhttps://lore.kernel.org/linux-cve-announce/2024040458-CVE-2024-26782-71ca@gregkh/T"], "threat_severity": "Low", "upstream_fix": "kernel 5.10.212, kernel 5.15.151, kernel 6.1.81, kernel 6.6.21, kernel 6.7.9, kernel 6.8"}