{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-47709", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-09-30T16:00:12.947Z", "datePublished": "2024-10-21T11:53:42.749Z", "dateUpdated": "2024-11-08T15:56:24.308Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-08T15:56:24.308Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: Clear bo->bcm_proc_read after remove_proc_entry().\n\nsyzbot reported a warning in bcm_release(). [0]\n\nThe blamed change fixed another warning that is triggered when\nconnect() is issued again for a socket whose connect()ed device has\nbeen unregistered.\n\nHowever, if the socket is just close()d without the 2nd connect(), the\nremaining bo->bcm_proc_read triggers unnecessary remove_proc_entry()\nin bcm_release().\n\nLet's clear bo->bcm_proc_read after remove_proc_entry() in bcm_notify().\n\n[0]\nname '4986'\nWARNING: CPU: 0 PID: 5234 at fs/proc/generic.c:711 remove_proc_entry+0x2e7/0x5d0 fs/proc/generic.c:711\nModules linked in:\nCPU: 0 UID: 0 PID: 5234 Comm: syz-executor606 Not tainted 6.11.0-rc5-syzkaller-00178-g5517ae241919 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024\nRIP: 0010:remove_proc_entry+0x2e7/0x5d0 fs/proc/generic.c:711\nCode: ff eb 05 e8 cb 1e 5e ff 48 8b 5c 24 10 48 c7 c7 e0 f7 aa 8e e8 2a 38 8e 09 90 48 c7 c7 60 3a 1b 8c 48 89 de e8 da 42 20 ff 90 <0f> 0b 90 90 48 8b 44 24 18 48 c7 44 24 40 0e 36 e0 45 49 c7 04 07\nRSP: 0018:ffffc9000345fa20 EFLAGS: 00010246\nRAX: 2a2d0aee2eb64600 RBX: ffff888032f1f548 RCX: ffff888029431e00\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: ffffc9000345fb08 R08: ffffffff8155b2f2 R09: 1ffff1101710519a\nR10: dffffc0000000000 R11: ffffed101710519b R12: ffff888011d38640\nR13: 0000000000000004 R14: 0000000000000000 R15: dffffc0000000000\nFS: 0000000000000000(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fcfb52722f0 CR3: 000000000e734000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n bcm_release+0x250/0x880 net/can/bcm.c:1578\n __sock_release net/socket.c:659 [inline]\n sock_close+0xbc/0x240 net/socket.c:1421\n __fput+0x24a/0x8a0 fs/file_table.c:422\n task_work_run+0x24f/0x310 kernel/task_work.c:228\n exit_task_work include/linux/task_work.h:40 [inline]\n do_exit+0xa2f/0x27f0 kernel/exit.c:882\n do_group_exit+0x207/0x2c0 kernel/exit.c:1031\n __do_sys_exit_group kernel/exit.c:1042 [inline]\n __se_sys_exit_group kernel/exit.c:1040 [inline]\n __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040\n x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7fcfb51ee969\nCode: Unable to access opcode bytes at 0x7fcfb51ee93f.\nRSP: 002b:00007ffce0109ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7\nRAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcfb51ee969\nRDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001\nRBP: 00007fcfb526f3b0 R08: ffffffffffffffb8 R09: 0000555500000000\nR10: 0000555500000000 R11: 0000000000000246 R12: 00007fcfb526f3b0\nR13: 0000000000000000 R14: 00007fcfb5271ee0 R15: 00007fcfb51bf160\n </TASK>"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/can/bcm.c"], "versions": [{"version": "5c680022c4e2", "lessThan": "f5059fae5ed5", "status": "affected", "versionType": "git"}, {"version": "33ed4ba73caa", "lessThan": "a833da8eec20", "status": "affected", "versionType": "git"}, {"version": "aec92dbebdbe", "lessThan": "5cc00913c1fd", "status": "affected", "versionType": "git"}, {"version": "10bfacbd5e8d", "lessThan": "9550baada4c8", "status": "affected", "versionType": "git"}, {"version": "3b39dc2901aa", "lessThan": "7a145d6ec212", "status": "affected", "versionType": "git"}, {"version": "4377b79323df", "lessThan": "c3d941cc734e", "status": "affected", "versionType": "git"}, {"version": "abb0a615569e", "lessThan": "770b46326442", "status": "affected", "versionType": "git"}, {"version": "76fe372ccb81", "lessThan": "b02ed2f01240", "status": "affected", "versionType": "git"}, {"version": "76fe372ccb81", "lessThan": "94b0818fa635", "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/can/bcm.c"], "versions": [{"version": "6.11", "status": "affected"}, {"version": "0", "lessThan": "6.11", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.323", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.285", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.227", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.168", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.113", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.54", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.10.13", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.2", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/f5059fae5ed518fc56494ce5bdd4f5360de4b3bc"}, {"url": "https://git.kernel.org/stable/c/a833da8eec20b51af39643faa7067b25c8b20f3e"}, {"url": "https://git.kernel.org/stable/c/5cc00913c1fdcab861c4e65fa20d1f1e1bbbf977"}, {"url": "https://git.kernel.org/stable/c/9550baada4c8ef8cebefccc746384842820b4dff"}, {"url": "https://git.kernel.org/stable/c/7a145d6ec2124bdb94bd6fc436b342ff6ddf2b70"}, {"url": "https://git.kernel.org/stable/c/c3d941cc734e0c8dc486c062926d5249070af5e4"}, {"url": "https://git.kernel.org/stable/c/770b463264426cc3c167b1d44efa85f6a526ce5b"}, {"url": "https://git.kernel.org/stable/c/b02ed2f01240b226570b4a19b5041d61f5125784"}, {"url": "https://git.kernel.org/stable/c/94b0818fa63555a65f6ba107080659ea6bcca63e"}], "title": "can: bcm: Clear bo->bcm_proc_read after remove_proc_entry().", "x_generator": {"engine": "bippy-9e1c9544281a"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-47709", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-21T13:03:30.318469Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-21T13:04:19.235Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-47709", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-21T13:03:30.318469Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-21T13:03:33.627Z"}}], "cna": {"title": "can: bcm: Clear bo->bcm_proc_read after remove_proc_entry().", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5c680022c4e2", "lessThan": "f5059fae5ed5", "versionType": "git"}, {"status": "affected", "version": "33ed4ba73caa", "lessThan": "a833da8eec20", "versionType": "git"}, {"status": "affected", "version": "aec92dbebdbe", "lessThan": "5cc00913c1fd", "versionType": "git"}, {"status": "affected", "version": "10bfacbd5e8d", "lessThan": "9550baada4c8", "versionType": "git"}, {"status": "affected", "version": "3b39dc2901aa", "lessThan": "7a145d6ec212", "versionType": "git"}, {"status": "affected", "version": "4377b79323df", "lessThan": "c3d941cc734e", "versionType": "git"}, {"status": "affected", "version": "abb0a615569e", "lessThan": "770b46326442", "versionType": "git"}, {"status": "affected", "version": "76fe372ccb81", "lessThan": "b02ed2f01240", "versionType": "git"}, {"status": "affected", "version": "76fe372ccb81", "lessThan": "94b0818fa635", "versionType": "git"}], "programFiles": ["net/can/bcm.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.11"}, {"status": "unaffected", "version": "0", "lessThan": "6.11", "versionType": "semver"}, {"status": "unaffected", "version": "4.19.323", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.285", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.227", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.168", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.113", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.54", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.10.13", "versionType": "semver", "lessThanOrEqual": "6.10.*"}, {"status": "unaffected", "version": "6.11.2", "versionType": "semver", "lessThanOrEqual": "6.11.*"}, {"status": "unaffected", "version": "6.12-rc1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/can/bcm.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/f5059fae5ed518fc56494ce5bdd4f5360de4b3bc"}, {"url": "https://git.kernel.org/stable/c/a833da8eec20b51af39643faa7067b25c8b20f3e"}, {"url": "https://git.kernel.org/stable/c/5cc00913c1fdcab861c4e65fa20d1f1e1bbbf977"}, {"url": "https://git.kernel.org/stable/c/9550baada4c8ef8cebefccc746384842820b4dff"}, {"url": "https://git.kernel.org/stable/c/7a145d6ec2124bdb94bd6fc436b342ff6ddf2b70"}, {"url": "https://git.kernel.org/stable/c/c3d941cc734e0c8dc486c062926d5249070af5e4"}, {"url": "https://git.kernel.org/stable/c/770b463264426cc3c167b1d44efa85f6a526ce5b"}, {"url": "https://git.kernel.org/stable/c/b02ed2f01240b226570b4a19b5041d61f5125784"}, {"url": "https://git.kernel.org/stable/c/94b0818fa63555a65f6ba107080659ea6bcca63e"}], "x_generator": {"engine": "bippy-9e1c9544281a"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: Clear bo->bcm_proc_read after remove_proc_entry().\n\nsyzbot reported a warning in bcm_release(). [0]\n\nThe blamed change fixed another warning that is triggered when\nconnect() is issued again for a socket whose connect()ed device has\nbeen unregistered.\n\nHowever, if the socket is just close()d without the 2nd connect(), the\nremaining bo->bcm_proc_read triggers unnecessary remove_proc_entry()\nin bcm_release().\n\nLet's clear bo->bcm_proc_read after remove_proc_entry() in bcm_notify().\n\n[0]\nname '4986'\nWARNING: CPU: 0 PID: 5234 at fs/proc/generic.c:711 remove_proc_entry+0x2e7/0x5d0 fs/proc/generic.c:711\nModules linked in:\nCPU: 0 UID: 0 PID: 5234 Comm: syz-executor606 Not tainted 6.11.0-rc5-syzkaller-00178-g5517ae241919 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024\nRIP: 0010:remove_proc_entry+0x2e7/0x5d0 fs/proc/generic.c:711\nCode: ff eb 05 e8 cb 1e 5e ff 48 8b 5c 24 10 48 c7 c7 e0 f7 aa 8e e8 2a 38 8e 09 90 48 c7 c7 60 3a 1b 8c 48 89 de e8 da 42 20 ff 90 <0f> 0b 90 90 48 8b 44 24 18 48 c7 44 24 40 0e 36 e0 45 49 c7 04 07\nRSP: 0018:ffffc9000345fa20 EFLAGS: 00010246\nRAX: 2a2d0aee2eb64600 RBX: ffff888032f1f548 RCX: ffff888029431e00\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: ffffc9000345fb08 R08: ffffffff8155b2f2 R09: 1ffff1101710519a\nR10: dffffc0000000000 R11: ffffed101710519b R12: ffff888011d38640\nR13: 0000000000000004 R14: 0000000000000000 R15: dffffc0000000000\nFS: 0000000000000000(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fcfb52722f0 CR3: 000000000e734000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n bcm_release+0x250/0x880 net/can/bcm.c:1578\n __sock_release net/socket.c:659 [inline]\n sock_close+0xbc/0x240 net/socket.c:1421\n __fput+0x24a/0x8a0 fs/file_table.c:422\n task_work_run+0x24f/0x310 kernel/task_work.c:228\n exit_task_work include/linux/task_work.h:40 [inline]\n do_exit+0xa2f/0x27f0 kernel/exit.c:882\n do_group_exit+0x207/0x2c0 kernel/exit.c:1031\n __do_sys_exit_group kernel/exit.c:1042 [inline]\n __se_sys_exit_group kernel/exit.c:1040 [inline]\n __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040\n x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7fcfb51ee969\nCode: Unable to access opcode bytes at 0x7fcfb51ee93f.\nRSP: 002b:00007ffce0109ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7\nRAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcfb51ee969\nRDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001\nRBP: 00007fcfb526f3b0 R08: ffffffffffffffb8 R09: 0000555500000000\nR10: 0000555500000000 R11: 0000000000000246 R12: 00007fcfb526f3b0\nR13: 0000000000000000 R14: 00007fcfb5271ee0 R15: 00007fcfb51bf160\n </TASK>"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-08T15:56:24.308Z"}}}, "cveMetadata": {"cveId": "CVE-2024-47709", "state": "PUBLISHED", "dateUpdated": "2024-11-08T15:56:24.308Z", "dateReserved": "2024-09-30T16:00:12.947Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-10-21T11:53:42.749Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "69E2B19B-E681-4963-ABD2-D4141E9A6B64", "versionEndExcluding": "5.5", "versionStartIncluding": "5.4.284", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "087658B5-5AC0-432C-9185-C5D7B4C17F95", "versionEndExcluding": "6.1.113", "versionStartIncluding": "6.1.110", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2671794E-9378-46A7-88D7-325688C11370", "versionEndExcluding": "6.6.54", "versionStartIncluding": "6.6.51", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D8095DD5-6E5F-4926-81C6-3FB84EB1589C", "versionEndExcluding": "6.10.13", "versionStartIncluding": "6.10.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "AB755D26-97F4-43B6-8604-CD076811E181", "versionEndExcluding": "6.11.2", "versionStartIncluding": "6.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:4.19.322:*:*:*:*:*:*:*", "matchCriteriaId": "80A4776E-5F66-40ED-A743-3A0732AD1611", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.10.226:*:*:*:*:*:*:*", "matchCriteriaId": "6FF3CC29-3CB0-439D-B47A-358D57871F06", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15.167:*:*:*:*:*:*:*", "matchCriteriaId": "B69DB824-7793-4911-A284-B06E7EFEDD7A", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: Clear bo->bcm_proc_read after remove_proc_entry().\n\nsyzbot reported a warning in bcm_release(). [0]\n\nThe blamed change fixed another warning that is triggered when\nconnect() is issued again for a socket whose connect()ed device has\nbeen unregistered.\n\nHowever, if the socket is just close()d without the 2nd connect(), the\nremaining bo->bcm_proc_read triggers unnecessary remove_proc_entry()\nin bcm_release().\n\nLet's clear bo->bcm_proc_read after remove_proc_entry() in bcm_notify().\n\n[0]\nname '4986'\nWARNING: CPU: 0 PID: 5234 at fs/proc/generic.c:711 remove_proc_entry+0x2e7/0x5d0 fs/proc/generic.c:711\nModules linked in:\nCPU: 0 UID: 0 PID: 5234 Comm: syz-executor606 Not tainted 6.11.0-rc5-syzkaller-00178-g5517ae241919 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024\nRIP: 0010:remove_proc_entry+0x2e7/0x5d0 fs/proc/generic.c:711\nCode: ff eb 05 e8 cb 1e 5e ff 48 8b 5c 24 10 48 c7 c7 e0 f7 aa 8e e8 2a 38 8e 09 90 48 c7 c7 60 3a 1b 8c 48 89 de e8 da 42 20 ff 90 <0f> 0b 90 90 48 8b 44 24 18 48 c7 44 24 40 0e 36 e0 45 49 c7 04 07\nRSP: 0018:ffffc9000345fa20 EFLAGS: 00010246\nRAX: 2a2d0aee2eb64600 RBX: ffff888032f1f548 RCX: ffff888029431e00\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: ffffc9000345fb08 R08: ffffffff8155b2f2 R09: 1ffff1101710519a\nR10: dffffc0000000000 R11: ffffed101710519b R12: ffff888011d38640\nR13: 0000000000000004 R14: 0000000000000000 R15: dffffc0000000000\nFS: 0000000000000000(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fcfb52722f0 CR3: 000000000e734000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n bcm_release+0x250/0x880 net/can/bcm.c:1578\n __sock_release net/socket.c:659 [inline]\n sock_close+0xbc/0x240 net/socket.c:1421\n __fput+0x24a/0x8a0 fs/file_table.c:422\n task_work_run+0x24f/0x310 kernel/task_work.c:228\n exit_task_work include/linux/task_work.h:40 [inline]\n do_exit+0xa2f/0x27f0 kernel/exit.c:882\n do_group_exit+0x207/0x2c0 kernel/exit.c:1031\n __do_sys_exit_group kernel/exit.c:1042 [inline]\n __se_sys_exit_group kernel/exit.c:1040 [inline]\n __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040\n x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7fcfb51ee969\nCode: Unable to access opcode bytes at 0x7fcfb51ee93f.\nRSP: 002b:00007ffce0109ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7\nRAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcfb51ee969\nRDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001\nRBP: 00007fcfb526f3b0 R08: ffffffffffffffb8 R09: 0000555500000000\nR10: 0000555500000000 R11: 0000000000000246 R12: 00007fcfb526f3b0\nR13: 0000000000000000 R14: 00007fcfb5271ee0 R15: 00007fcfb51bf160\n </TASK>"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: can: bcm: Borrar bo-&gt;bcm_proc_read despu\u00e9s de remove_proc_entry(). syzbot inform\u00f3 una advertencia en bcm_release(). [0] El cambio en cuesti\u00f3n corrigi\u00f3 otra advertencia que se activa cuando se vuelve a emitir connect() para un socket cuyo dispositivo conectado se ha anulado el registro. Sin embargo, si el socket simplemente se cierra sin el segundo connect(), el bo-&gt;bcm_proc_read restante activa un remove_proc_entry() innecesario en bcm_release(). Borremos bo-&gt;bcm_proc_read despu\u00e9s de remove_proc_entry() en bcm_notify(). [0] nombre '4986' ADVERTENCIA: CPU: 0 PID: 5234 en fs/proc/generic.c:711 remove_proc_entry+0x2e7/0x5d0 fs/proc/generic.c:711 M\u00f3dulos vinculados en: CPU: 0 UID: 0 PID: 5234 Comm: syz-executor606 No contaminado 6.11.0-rc5-syzkaller-00178-g5517ae241919 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:remove_proc_entry+0x2e7/0x5d0 fs/proc/generic.c:711 C\u00f3digo: ff eb 05 e8 cb 1e 5e ff 48 8b 5c 24 10 48 c7 c7 e0 f7 aa 8e e8 2a 38 8e 09 90 48 c7 c7 60 3a 1b 8c 48 89 de e8 da 42 20 ff 90 &lt;0f&gt; 0b 90 90 48 8b 44 24 18 48 c7 44 24 0 0e 36 e0 45 49 c7 04 07 RSP: 0018:ffffc9000345fa20 EFLAGS: 00010246 RAX: 2a2d0aee2eb64600 RBX: ffff888032f1f548 RCX: ffff888029431e00 RDX: 00000000000000000 RSI: 0000000000000000 RDI: 00000000000000000 RBP: ffffc9000345fb08 R08: ffffffff8155b2f2 R09: 1ffff1101710519a R10: dffffc0000000000 R11: ffffed101710519b R12: ffff888011d38640 R13: 000000000000004 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcfb52722f0 CR3: 000000000e734000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Seguimiento de llamadas: bcm_release+0x250/0x880 net/can/bcm.c:1578 __sock_release net/socket.c:659 [en l\u00ednea] sock_close+0xbc/0x240 net/socket.c:1421 __fput+0x24a/0x8a0 fs/file_table.c:422 task_work_run+0x24f/0x310 kernel/task_work.c:228 exit_task_work include/linux/task_work.h:40 [en l\u00ednea] do_exit+0xa2f/0x27f0 kernel/exit.c:882 do_group_exit+0x207/0x2c0 kernel/exit.c:1031 __do_sys_exit_group kernel/exit.c:1042 [en l\u00ednea] __se_sys_exit_group kernel/exit.c:1040 [en l\u00ednea] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcfb51ee969 C\u00f3digo: No se puede acceder a los bytes del c\u00f3digo de operaci\u00f3n en 0x7fcfb51ee93f. RSP: 002b:00007ffce0109ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcfb51ee969 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 00007fcfb526f3b0 R08: ffffffffffffffb8 R09: 0000555500000000 R10: 0000555500000000 R11: 0000000000000246 R12: 00007fcfb526f3b0 R13: 0000000000000000 R14: 00007fcfb5271ee0 R15: 00007fcfb51bf160 "}], "id": "CVE-2024-47709", "lastModified": "2024-11-08T16:15:25.963", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-10-21T12:15:07.397", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5cc00913c1fdcab861c4e65fa20d1f1e1bbbf977"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/770b463264426cc3c167b1d44efa85f6a526ce5b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7a145d6ec2124bdb94bd6fc436b342ff6ddf2b70"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/94b0818fa63555a65f6ba107080659ea6bcca63e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9550baada4c8ef8cebefccc746384842820b4dff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a833da8eec20b51af39643faa7067b25c8b20f3e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b02ed2f01240b226570b4a19b5041d61f5125784"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c3d941cc734e0c8dc486c062926d5249070af5e4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f5059fae5ed518fc56494ce5bdd4f5360de4b3bc"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: can: bcm: Clear bo-&gt;bcm_proc_read after remove_proc_entry().", "id": "2320231", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2320231"}, "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": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncan: bcm: Clear bo->bcm_proc_read after remove_proc_entry().\nsyzbot reported a warning in bcm_release(). [0]\nThe blamed change fixed another warning that is triggered when\nconnect() is issued again for a socket whose connect()ed device has\nbeen unregistered.\nHowever, if the socket is just close()d without the 2nd connect(), the\nremaining bo->bcm_proc_read triggers unnecessary remove_proc_entry()\nin bcm_release().\nLet's clear bo->bcm_proc_read after remove_proc_entry() in bcm_notify().\n[0]\nname '4986'\nWARNING: CPU: 0 PID: 5234 at fs/proc/generic.c:711 remove_proc_entry+0x2e7/0x5d0 fs/proc/generic.c:711\nModules linked in:\nCPU: 0 UID: 0 PID: 5234 Comm: syz-executor606 Not tainted 6.11.0-rc5-syzkaller-00178-g5517ae241919 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024\nRIP: 0010:remove_proc_entry+0x2e7/0x5d0 fs/proc/generic.c:711\nCode: ff eb 05 e8 cb 1e 5e ff 48 8b 5c 24 10 48 c7 c7 e0 f7 aa 8e e8 2a 38 8e 09 90 48 c7 c7 60 3a 1b 8c 48 89 de e8 da 42 20 ff 90 <0f> 0b 90 90 48 8b 44 24 18 48 c7 44 24 40 0e 36 e0 45 49 c7 04 07\nRSP: 0018:ffffc9000345fa20 EFLAGS: 00010246\nRAX: 2a2d0aee2eb64600 RBX: ffff888032f1f548 RCX: ffff888029431e00\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: ffffc9000345fb08 R08: ffffffff8155b2f2 R09: 1ffff1101710519a\nR10: dffffc0000000000 R11: ffffed101710519b R12: ffff888011d38640\nR13: 0000000000000004 R14: 0000000000000000 R15: dffffc0000000000\nFS: 0000000000000000(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fcfb52722f0 CR3: 000000000e734000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n<TASK>\nbcm_release+0x250/0x880 net/can/bcm.c:1578\n__sock_release net/socket.c:659 [inline]\nsock_close+0xbc/0x240 net/socket.c:1421\n__fput+0x24a/0x8a0 fs/file_table.c:422\ntask_work_run+0x24f/0x310 kernel/task_work.c:228\nexit_task_work include/linux/task_work.h:40 [inline]\ndo_exit+0xa2f/0x27f0 kernel/exit.c:882\ndo_group_exit+0x207/0x2c0 kernel/exit.c:1031\n__do_sys_exit_group kernel/exit.c:1042 [inline]\n__se_sys_exit_group kernel/exit.c:1040 [inline]\n__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040\nx64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232\ndo_syscall_x64 arch/x86/entry/common.c:52 [inline]\ndo_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\nentry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7fcfb51ee969\nCode: Unable to access opcode bytes at 0x7fcfb51ee93f.\nRSP: 002b:00007ffce0109ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7\nRAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcfb51ee969\nRDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001\nRBP: 00007fcfb526f3b0 R08: ffffffffffffffb8 R09: 0000555500000000\nR10: 0000555500000000 R11: 0000000000000246 R12: 00007fcfb526f3b0\nR13: 0000000000000000 R14: 00007fcfb5271ee0 R15: 00007fcfb51bf160\n</TASK>"], "name": "CVE-2024-47709", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-10-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-47709\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-47709\nhttps://lore.kernel.org/linux-cve-announce/2024102117-CVE-2024-47709-8e66@gregkh/T"], "threat_severity": "Moderate"}