{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-46788", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-09-11T15:12:18.278Z", "datePublished": "2024-09-18T07:12:44.352Z", "dateUpdated": "2026-05-11T20:36:33.426Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:36:33.426Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing/osnoise: Use a cpumask to know what threads are kthreads\n\nThe start_kthread() and stop_thread() code was not always called with the\ninterface_lock held. This means that the kthread variable could be\nunexpectedly changed causing the kthread_stop() to be called on it when it\nshould not have been, leading to:\n\n while true; do\n rtla timerlat top -u -q & PID=$!;\n sleep 5;\n kill -INT $PID;\n sleep 0.001;\n kill -TERM $PID;\n wait $PID;\n done\n\nCausing the following OOPS:\n\n Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN PTI\n KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]\n CPU: 5 UID: 0 PID: 885 Comm: timerlatu/5 Not tainted 6.11.0-rc4-test-00002-gbc754cc76d1b-dirty #125 a533010b71dab205ad2f507188ce8c82203b0254\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n RIP: 0010:hrtimer_active+0x58/0x300\n Code: 48 c1 ee 03 41 54 48 01 d1 48 01 d6 55 53 48 83 ec 20 80 39 00 0f 85 30 02 00 00 49 8b 6f 30 4c 8d 75 10 4c 89 f0 48 c1 e8 03 <0f> b6 3c 10 4c 89 f0 83 e0 07 83 c0 03 40 38 f8 7c 09 40 84 ff 0f\n RSP: 0018:ffff88811d97f940 EFLAGS: 00010202\n RAX: 0000000000000002 RBX: ffff88823c6b5b28 RCX: ffffed10478d6b6b\n RDX: dffffc0000000000 RSI: ffffed10478d6b6c RDI: ffff88823c6b5b28\n RBP: 0000000000000000 R08: ffff88823c6b5b58 R09: ffff88823c6b5b60\n R10: ffff88811d97f957 R11: 0000000000000010 R12: 00000000000a801d\n R13: ffff88810d8b35d8 R14: 0000000000000010 R15: ffff88823c6b5b28\n FS: 0000000000000000(0000) GS:ffff88823c680000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000561858ad7258 CR3: 000000007729e001 CR4: 0000000000170ef0\n Call Trace:\n <TASK>\n ? die_addr+0x40/0xa0\n ? exc_general_protection+0x154/0x230\n ? asm_exc_general_protection+0x26/0x30\n ? hrtimer_active+0x58/0x300\n ? __pfx_mutex_lock+0x10/0x10\n ? __pfx_locks_remove_file+0x10/0x10\n hrtimer_cancel+0x15/0x40\n timerlat_fd_release+0x8e/0x1f0\n ? security_file_release+0x43/0x80\n __fput+0x372/0xb10\n task_work_run+0x11e/0x1f0\n ? _raw_spin_lock+0x85/0xe0\n ? __pfx_task_work_run+0x10/0x10\n ? poison_slab_object+0x109/0x170\n ? do_exit+0x7a0/0x24b0\n do_exit+0x7bd/0x24b0\n ? __pfx_migrate_enable+0x10/0x10\n ? __pfx_do_exit+0x10/0x10\n ? __pfx_read_tsc+0x10/0x10\n ? ktime_get+0x64/0x140\n ? _raw_spin_lock_irq+0x86/0xe0\n do_group_exit+0xb0/0x220\n get_signal+0x17ba/0x1b50\n ? vfs_read+0x179/0xa40\n ? timerlat_fd_read+0x30b/0x9d0\n ? __pfx_get_signal+0x10/0x10\n ? __pfx_timerlat_fd_read+0x10/0x10\n arch_do_signal_or_restart+0x8c/0x570\n ? __pfx_arch_do_signal_or_restart+0x10/0x10\n ? vfs_read+0x179/0xa40\n ? ksys_read+0xfe/0x1d0\n ? __pfx_ksys_read+0x10/0x10\n syscall_exit_to_user_mode+0xbc/0x130\n do_syscall_64+0x74/0x110\n ? __pfx___rseq_handle_notify_resume+0x10/0x10\n ? __pfx_ksys_read+0x10/0x10\n ? fpregs_restore_userregs+0xdb/0x1e0\n ? fpregs_restore_userregs+0xdb/0x1e0\n ? syscall_exit_to_user_mode+0x116/0x130\n ? do_syscall_64+0x74/0x110\n ? do_syscall_64+0x74/0x110\n ? do_syscall_64+0x74/0x110\n entry_SYSCALL_64_after_hwframe+0x71/0x79\n RIP: 0033:0x7ff0070eca9c\n Code: Unable to access opcode bytes at 0x7ff0070eca72.\n RSP: 002b:00007ff006dff8c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000\n RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007ff0070eca9c\n RDX: 0000000000000400 RSI: 00007ff006dff9a0 RDI: 0000000000000003\n RBP: 00007ff006dffde0 R08: 0000000000000000 R09: 00007ff000000ba0\n R10: 00007ff007004b08 R11: 0000000000000246 R12: 0000000000000003\n R13: 00007ff006dff9a0 R14: 0000000000000007 R15: 0000000000000008\n </TASK>\n Modules linked in: snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hwdep snd_hda_core\n ---[ end trace 0000000000000000 ]---\n\nThis is because it would mistakenly call kthread_stop() on a user space\nthread making it \"exit\" before it actually exits.\n\nSince kthread\n---truncated---"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/trace/trace_osnoise.c"], "versions": [{"version": "e88ed227f639ebcb31ed4e5b88756b47d904584b", "lessThan": "7a5f01828edf152c144d27cf63de446fdf2dc222", "status": "affected", "versionType": "git"}, {"version": "e88ed227f639ebcb31ed4e5b88756b47d904584b", "lessThan": "27282d2505b402f39371fd60d19d95c01a4b6776", "status": "affected", "versionType": "git"}, {"version": "e88ed227f639ebcb31ed4e5b88756b47d904584b", "lessThan": "177e1cc2f41235c145041eed03ef5bab18f32328", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/trace/trace_osnoise.c"], "versions": [{"version": "6.5", "status": "affected"}, {"version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.51", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.10.10", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.6.51"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.10.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.11"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7a5f01828edf152c144d27cf63de446fdf2dc222"}, {"url": "https://git.kernel.org/stable/c/27282d2505b402f39371fd60d19d95c01a4b6776"}, {"url": "https://git.kernel.org/stable/c/177e1cc2f41235c145041eed03ef5bab18f32328"}], "title": "tracing/osnoise: Use a cpumask to know what threads are kthreads", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-09-29T14:28:37.138959Z", "id": "CVE-2024-46788", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-29T14:28:52.086Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-46788", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-29T14:28:37.138959Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-29T14:28:41.254Z"}}], "cna": {"title": "tracing/osnoise: Use a cpumask to know what threads are kthreads", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "e88ed227f639ebcb31ed4e5b88756b47d904584b", "lessThan": "7a5f01828edf152c144d27cf63de446fdf2dc222", "versionType": "git"}, {"status": "affected", "version": "e88ed227f639ebcb31ed4e5b88756b47d904584b", "lessThan": "27282d2505b402f39371fd60d19d95c01a4b6776", "versionType": "git"}, {"status": "affected", "version": "e88ed227f639ebcb31ed4e5b88756b47d904584b", "lessThan": "177e1cc2f41235c145041eed03ef5bab18f32328", "versionType": "git"}], "programFiles": ["kernel/trace/trace_osnoise.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.5"}, {"status": "unaffected", "version": "0", "lessThan": "6.5", "versionType": "semver"}, {"status": "unaffected", "version": "6.6.51", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.10.10", "versionType": "semver", "lessThanOrEqual": "6.10.*"}, {"status": "unaffected", "version": "6.11", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["kernel/trace/trace_osnoise.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/7a5f01828edf152c144d27cf63de446fdf2dc222"}, {"url": "https://git.kernel.org/stable/c/27282d2505b402f39371fd60d19d95c01a4b6776"}, {"url": "https://git.kernel.org/stable/c/177e1cc2f41235c145041eed03ef5bab18f32328"}], "x_generator": {"engine": "bippy-5f407fcff5a0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing/osnoise: Use a cpumask to know what threads are kthreads\n\nThe start_kthread() and stop_thread() code was not always called with the\ninterface_lock held. This means that the kthread variable could be\nunexpectedly changed causing the kthread_stop() to be called on it when it\nshould not have been, leading to:\n\n while true; do\n rtla timerlat top -u -q & PID=$!;\n sleep 5;\n kill -INT $PID;\n sleep 0.001;\n kill -TERM $PID;\n wait $PID;\n done\n\nCausing the following OOPS:\n\n Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN PTI\n KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]\n CPU: 5 UID: 0 PID: 885 Comm: timerlatu/5 Not tainted 6.11.0-rc4-test-00002-gbc754cc76d1b-dirty #125 a533010b71dab205ad2f507188ce8c82203b0254\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n RIP: 0010:hrtimer_active+0x58/0x300\n Code: 48 c1 ee 03 41 54 48 01 d1 48 01 d6 55 53 48 83 ec 20 80 39 00 0f 85 30 02 00 00 49 8b 6f 30 4c 8d 75 10 4c 89 f0 48 c1 e8 03 <0f> b6 3c 10 4c 89 f0 83 e0 07 83 c0 03 40 38 f8 7c 09 40 84 ff 0f\n RSP: 0018:ffff88811d97f940 EFLAGS: 00010202\n RAX: 0000000000000002 RBX: ffff88823c6b5b28 RCX: ffffed10478d6b6b\n RDX: dffffc0000000000 RSI: ffffed10478d6b6c RDI: ffff88823c6b5b28\n RBP: 0000000000000000 R08: ffff88823c6b5b58 R09: ffff88823c6b5b60\n R10: ffff88811d97f957 R11: 0000000000000010 R12: 00000000000a801d\n R13: ffff88810d8b35d8 R14: 0000000000000010 R15: ffff88823c6b5b28\n FS: 0000000000000000(0000) GS:ffff88823c680000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000561858ad7258 CR3: 000000007729e001 CR4: 0000000000170ef0\n Call Trace:\n <TASK>\n ? die_addr+0x40/0xa0\n ? exc_general_protection+0x154/0x230\n ? asm_exc_general_protection+0x26/0x30\n ? hrtimer_active+0x58/0x300\n ? __pfx_mutex_lock+0x10/0x10\n ? __pfx_locks_remove_file+0x10/0x10\n hrtimer_cancel+0x15/0x40\n timerlat_fd_release+0x8e/0x1f0\n ? security_file_release+0x43/0x80\n __fput+0x372/0xb10\n task_work_run+0x11e/0x1f0\n ? _raw_spin_lock+0x85/0xe0\n ? __pfx_task_work_run+0x10/0x10\n ? poison_slab_object+0x109/0x170\n ? do_exit+0x7a0/0x24b0\n do_exit+0x7bd/0x24b0\n ? __pfx_migrate_enable+0x10/0x10\n ? __pfx_do_exit+0x10/0x10\n ? __pfx_read_tsc+0x10/0x10\n ? ktime_get+0x64/0x140\n ? _raw_spin_lock_irq+0x86/0xe0\n do_group_exit+0xb0/0x220\n get_signal+0x17ba/0x1b50\n ? vfs_read+0x179/0xa40\n ? timerlat_fd_read+0x30b/0x9d0\n ? __pfx_get_signal+0x10/0x10\n ? __pfx_timerlat_fd_read+0x10/0x10\n arch_do_signal_or_restart+0x8c/0x570\n ? __pfx_arch_do_signal_or_restart+0x10/0x10\n ? vfs_read+0x179/0xa40\n ? ksys_read+0xfe/0x1d0\n ? __pfx_ksys_read+0x10/0x10\n syscall_exit_to_user_mode+0xbc/0x130\n do_syscall_64+0x74/0x110\n ? __pfx___rseq_handle_notify_resume+0x10/0x10\n ? __pfx_ksys_read+0x10/0x10\n ? fpregs_restore_userregs+0xdb/0x1e0\n ? fpregs_restore_userregs+0xdb/0x1e0\n ? syscall_exit_to_user_mode+0x116/0x130\n ? do_syscall_64+0x74/0x110\n ? do_syscall_64+0x74/0x110\n ? do_syscall_64+0x74/0x110\n entry_SYSCALL_64_after_hwframe+0x71/0x79\n RIP: 0033:0x7ff0070eca9c\n Code: Unable to access opcode bytes at 0x7ff0070eca72.\n RSP: 002b:00007ff006dff8c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000\n RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007ff0070eca9c\n RDX: 0000000000000400 RSI: 00007ff006dff9a0 RDI: 0000000000000003\n RBP: 00007ff006dffde0 R08: 0000000000000000 R09: 00007ff000000ba0\n R10: 00007ff007004b08 R11: 0000000000000246 R12: 0000000000000003\n R13: 00007ff006dff9a0 R14: 0000000000000007 R15: 0000000000000008\n </TASK>\n Modules linked in: snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hwdep snd_hda_core\n ---[ end trace 0000000000000000 ]---\n\nThis is because it would mistakenly call kthread_stop() on a user space\nthread making it \"exit\" before it actually exits.\n\nSince kthread\n---truncated---"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T09:23:09.807Z"}}}, "cveMetadata": {"cveId": "CVE-2024-46788", "state": "PUBLISHED", "dateUpdated": "2024-12-19T09:23:09.807Z", "dateReserved": "2024-09-11T15:12:18.278Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-09-18T07:12:44.352Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "68960B54-63EE-43D7-A875-28E3ECFA945B", "versionEndExcluding": "6.6.51", "versionStartIncluding": "6.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "ACDEE48C-137A-4731-90D0-A675865E1BED", "versionEndExcluding": "6.10.10", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*", "matchCriteriaId": "8B3CE743-2126-47A3-8B7C-822B502CF119", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*", "matchCriteriaId": "4DEB27E7-30AA-45CC-8934-B89263EF3551", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*", "matchCriteriaId": "E0005AEF-856E-47EB-BFE4-90C46899394D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*", "matchCriteriaId": "39889A68-6D34-47A6-82FC-CD0BF23D6754", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc5:*:*:*:*:*:*", "matchCriteriaId": "B8383ABF-1457-401F-9B61-EE50F4C61F4F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc6:*:*:*:*:*:*", "matchCriteriaId": "B77A9280-37E6-49AD-B559-5B23A3B1DC3D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing/osnoise: Use a cpumask to know what threads are kthreads\n\nThe start_kthread() and stop_thread() code was not always called with the\ninterface_lock held. This means that the kthread variable could be\nunexpectedly changed causing the kthread_stop() to be called on it when it\nshould not have been, leading to:\n\n while true; do\n rtla timerlat top -u -q & PID=$!;\n sleep 5;\n kill -INT $PID;\n sleep 0.001;\n kill -TERM $PID;\n wait $PID;\n done\n\nCausing the following OOPS:\n\n Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN PTI\n KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]\n CPU: 5 UID: 0 PID: 885 Comm: timerlatu/5 Not tainted 6.11.0-rc4-test-00002-gbc754cc76d1b-dirty #125 a533010b71dab205ad2f507188ce8c82203b0254\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n RIP: 0010:hrtimer_active+0x58/0x300\n Code: 48 c1 ee 03 41 54 48 01 d1 48 01 d6 55 53 48 83 ec 20 80 39 00 0f 85 30 02 00 00 49 8b 6f 30 4c 8d 75 10 4c 89 f0 48 c1 e8 03 <0f> b6 3c 10 4c 89 f0 83 e0 07 83 c0 03 40 38 f8 7c 09 40 84 ff 0f\n RSP: 0018:ffff88811d97f940 EFLAGS: 00010202\n RAX: 0000000000000002 RBX: ffff88823c6b5b28 RCX: ffffed10478d6b6b\n RDX: dffffc0000000000 RSI: ffffed10478d6b6c RDI: ffff88823c6b5b28\n RBP: 0000000000000000 R08: ffff88823c6b5b58 R09: ffff88823c6b5b60\n R10: ffff88811d97f957 R11: 0000000000000010 R12: 00000000000a801d\n R13: ffff88810d8b35d8 R14: 0000000000000010 R15: ffff88823c6b5b28\n FS: 0000000000000000(0000) GS:ffff88823c680000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000561858ad7258 CR3: 000000007729e001 CR4: 0000000000170ef0\n Call Trace:\n <TASK>\n ? die_addr+0x40/0xa0\n ? exc_general_protection+0x154/0x230\n ? asm_exc_general_protection+0x26/0x30\n ? hrtimer_active+0x58/0x300\n ? __pfx_mutex_lock+0x10/0x10\n ? __pfx_locks_remove_file+0x10/0x10\n hrtimer_cancel+0x15/0x40\n timerlat_fd_release+0x8e/0x1f0\n ? security_file_release+0x43/0x80\n __fput+0x372/0xb10\n task_work_run+0x11e/0x1f0\n ? _raw_spin_lock+0x85/0xe0\n ? __pfx_task_work_run+0x10/0x10\n ? poison_slab_object+0x109/0x170\n ? do_exit+0x7a0/0x24b0\n do_exit+0x7bd/0x24b0\n ? __pfx_migrate_enable+0x10/0x10\n ? __pfx_do_exit+0x10/0x10\n ? __pfx_read_tsc+0x10/0x10\n ? ktime_get+0x64/0x140\n ? _raw_spin_lock_irq+0x86/0xe0\n do_group_exit+0xb0/0x220\n get_signal+0x17ba/0x1b50\n ? vfs_read+0x179/0xa40\n ? timerlat_fd_read+0x30b/0x9d0\n ? __pfx_get_signal+0x10/0x10\n ? __pfx_timerlat_fd_read+0x10/0x10\n arch_do_signal_or_restart+0x8c/0x570\n ? __pfx_arch_do_signal_or_restart+0x10/0x10\n ? vfs_read+0x179/0xa40\n ? ksys_read+0xfe/0x1d0\n ? __pfx_ksys_read+0x10/0x10\n syscall_exit_to_user_mode+0xbc/0x130\n do_syscall_64+0x74/0x110\n ? __pfx___rseq_handle_notify_resume+0x10/0x10\n ? __pfx_ksys_read+0x10/0x10\n ? fpregs_restore_userregs+0xdb/0x1e0\n ? fpregs_restore_userregs+0xdb/0x1e0\n ? syscall_exit_to_user_mode+0x116/0x130\n ? do_syscall_64+0x74/0x110\n ? do_syscall_64+0x74/0x110\n ? do_syscall_64+0x74/0x110\n entry_SYSCALL_64_after_hwframe+0x71/0x79\n RIP: 0033:0x7ff0070eca9c\n Code: Unable to access opcode bytes at 0x7ff0070eca72.\n RSP: 002b:00007ff006dff8c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000\n RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007ff0070eca9c\n RDX: 0000000000000400 RSI: 00007ff006dff9a0 RDI: 0000000000000003\n RBP: 00007ff006dffde0 R08: 0000000000000000 R09: 00007ff000000ba0\n R10: 00007ff007004b08 R11: 0000000000000246 R12: 0000000000000003\n R13: 00007ff006dff9a0 R14: 0000000000000007 R15: 0000000000000008\n </TASK>\n Modules linked in: snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hwdep snd_hda_core\n ---[ end trace 0000000000000000 ]---\n\nThis is because it would mistakenly call kthread_stop() on a user space\nthread making it \"exit\" before it actually exits.\n\nSince kthread\n---truncated---"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tracing/osnoise: Utilizar una cpumask para saber qu\u00e9 subprocesos son kthreads El c\u00f3digo start_kthread() y stop_thread() no siempre se llamaba con el interface_lock mantenido. Esto significa que la variable kthread podr\u00eda cambiar inesperadamente provocando que se llamara a kthread_stop() en ella cuando no deber\u00eda haberse hecho, lo que lleva a: while true; do rtla timerlat top -u -q &amp; PID=$!; sleep 5; kill -INT $PID; sleep 0.001; kill -TERM $PID; wait $PID; hecho Provocando el siguiente OOPS: Oops: error de protecci\u00f3n general, probablemente para la direcci\u00f3n no can\u00f3nica 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref en el rango [0x000000000000010-0x0000000000000017] CPU: 5 UID: 0 PID: 885 Comm: timerlatu/5 No contaminado 6.11.0-rc4-test-00002-gbc754cc76d1b-dirty #125 a533010b71dab205ad2f507188ce8c82203b0254 Nombre del hardware: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 01/04/2014 RIP: 0010:hrtimer_active+0x58/0x300 C\u00f3digo: 48 c1 ee 03 41 54 48 01 d1 48 01 d6 55 53 48 83 ec 20 80 39 00 0f 85 30 02 00 00 49 8b 6f 30 4c 8d 75 10 4c 89 f0 48 c1 e8 03 &lt;0f&gt; b6 3c 10 4c 89 f0 83 e0 07 83 c0 03 40 38 f8 7c 09 40 84 ff 0f RSP: 0018:ffff88811d97f940 EFLAGS: 00010202 RAX: 0000000000000002 RBX: ffff88823c6b5b28 RCX: ffffed10478d6b6b RDX: dffffc0000000000 RSI: ffffed10478d6b6c RDI: ffff88823c6b5b28 RBP: 000000000000000 R08: ffff88823c6b5b58 R09: ffff88823c6b5b60 R10: ffff88811d97f957 R11: 0000000000000010 R12: 00000000000a801d R13: ffff88810d8b35d8 R14: 0000000000000010 R15: ffff88823c6b5b28 FS: 000000000000000(0000) GS:ffff88823c680000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561858ad7258 CR3: 000000007729e001 CR4: 0000000000170ef0 Llamada Rastro: ? die_addr+0x40/0xa0 ? exc_general_protection+0x154/0x230 ? asm_exc_general_protection+0x26/0x30 ? hrtimer_active+0x58/0x300 ? __pfx_mutex_lock+0x10/0x10 ? __pfx_locks_remove_file+0x10/0x10 hrtimer_cancel+0x15/0x40 timerlat_fd_release+0x8e/0x1f0 ? security_file_release+0x43/0x80 __fput+0x372/0xb10 task_work_run+0x11e/0x1f0 ? _raw_spin_lock+0x85/0xe0 ? __pfx_task_work_run+0x10/0x10 ? objeto poison_slab+0x109/0x170 ? do_exit+0x7a0/0x24b0 do_exit+0x7bd/0x24b0 ? __pfx_migrate_enable+0x10/0x10 ? __pfx_do_exit+0x10/0x10 ? __pfx_read_tsc+0x10/0x10 ? ktime_get+0x64/0x140 ? _raw_spin_lock_irq+0x86/0xe0 do_group_exit+0xb0/0x220 obtener_se\u00f1al+0x17ba/0x1b50 ? vfs_read+0x179/0xa40 ? timerlat_fd_read+0x30b/0x9d0 ? __pfx_get_signal+0x10/0x10 ? __pfx_timerlat_fd_read+0x10/0x10 arch_do_signal_or_restart+0x8c/0x570 ? __pfx_arch_do_signal_or_restart+0x10/0x10 ? vfs_read+0x179/0xa40 ? ksys_read+0xfe/0x1d0 ? __pfx_ksys_read+0x10/0x10 syscall_salir_al_modo_usuario+0xbc/0x130 do_syscall_64+0x74/0x110 ? __pfx___rseq_handle_notify_resume+0x10/0x10 ? __pfx_ksys_read+0x10/0x10 ? fpregs_restore_userregs+0xdb/0x1e0 ? fpregs_restore_userregs+0xdb/0x1e0 ? syscall_salir_al_modo_usuario+0x116/0x130 ? do_syscall_64+0x74/0x110 ? do_syscall_64+0x74/0x110 ? do_syscall_64+0x74/0x110 entry_SYSCALL_64_after_hwframe+0x71/0x79 RIP: 0033:0x7ff0070eca9c C\u00f3digo: No se puede acceder a los bytes del c\u00f3digo de operaci\u00f3n en 0x7ff0070eca72. RSP: 002b:00007ff006dff8c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007ff0070eca9c RDX: 0000000000000400 RSI: 00007ff006dff9a0 RDI: 0000000000000003 RBP: 00007ff006dffde0 R08: 000000000000000 R09: 00007ff000000ba0 R10: 00007ff007004b08 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ff006dff9a0 R14: 0000000000000007 R15: 0000000000000008 M\u00f3dulos vinculados en: snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hwdep snd_hda_core ---[ fin del seguimiento 000000000000000 ]--- Esto se debe a que llamar\u00eda por error a kthread_stop() en un hilo de espacio de usuario, lo que har\u00eda que \"salga\" antes de que realmente salga. Dado que kthread ---truncado---"}], "id": "CVE-2024-46788", "lastModified": "2024-11-22T16:59:50.313", "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": "2024-09-18T08:15:05.893", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/177e1cc2f41235c145041eed03ef5bab18f32328"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/27282d2505b402f39371fd60d19d95c01a4b6776"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7a5f01828edf152c144d27cf63de446fdf2dc222"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: tracing/osnoise: Use a cpumask to know what threads are kthreads", "id": "2313136", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2313136"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-674", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ntracing/osnoise: Use a cpumask to know what threads are kthreads\nThe start_kthread() and stop_thread() code was not always called with the\ninterface_lock held. This means that the kthread variable could be\nunexpectedly changed causing the kthread_stop() to be called on it when it\nshould not have been, leading to:\nwhile true; do\nrtla timerlat top -u -q & PID=$!;\nsleep 5;\nkill -INT $PID;\nsleep 0.001;\nkill -TERM $PID;\nwait $PID;\ndone\nCausing the following OOPS:\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]\nCPU: 5 UID: 0 PID: 885 Comm: timerlatu/5 Not tainted 6.11.0-rc4-test-00002-gbc754cc76d1b-dirty #125 a533010b71dab205ad2f507188ce8c82203b0254\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\nRIP: 0010:hrtimer_active+0x58/0x300\nCode: 48 c1 ee 03 41 54 48 01 d1 48 01 d6 55 53 48 83 ec 20 80 39 00 0f 85 30 02 00 00 49 8b 6f 30 4c 8d 75 10 4c 89 f0 48 c1 e8 03 <0f> b6 3c 10 4c 89 f0 83 e0 07 83 c0 03 40 38 f8 7c 09 40 84 ff 0f\nRSP: 0018:ffff88811d97f940 EFLAGS: 00010202\nRAX: 0000000000000002 RBX: ffff88823c6b5b28 RCX: ffffed10478d6b6b\nRDX: dffffc0000000000 RSI: ffffed10478d6b6c RDI: ffff88823c6b5b28\nRBP: 0000000000000000 R08: ffff88823c6b5b58 R09: ffff88823c6b5b60\nR10: ffff88811d97f957 R11: 0000000000000010 R12: 00000000000a801d\nR13: ffff88810d8b35d8 R14: 0000000000000010 R15: ffff88823c6b5b28\nFS: 0000000000000000(0000) GS:ffff88823c680000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000561858ad7258 CR3: 000000007729e001 CR4: 0000000000170ef0\nCall Trace:\n<TASK>\n? die_addr+0x40/0xa0\n? exc_general_protection+0x154/0x230\n? asm_exc_general_protection+0x26/0x30\n? hrtimer_active+0x58/0x300\n? __pfx_mutex_lock+0x10/0x10\n? __pfx_locks_remove_file+0x10/0x10\nhrtimer_cancel+0x15/0x40\ntimerlat_fd_release+0x8e/0x1f0\n? security_file_release+0x43/0x80\n__fput+0x372/0xb10\ntask_work_run+0x11e/0x1f0\n? _raw_spin_lock+0x85/0xe0\n? __pfx_task_work_run+0x10/0x10\n? poison_slab_object+0x109/0x170\n? do_exit+0x7a0/0x24b0\ndo_exit+0x7bd/0x24b0\n? __pfx_migrate_enable+0x10/0x10\n? __pfx_do_exit+0x10/0x10\n? __pfx_read_tsc+0x10/0x10\n? ktime_get+0x64/0x140\n? _raw_spin_lock_irq+0x86/0xe0\ndo_group_exit+0xb0/0x220\nget_signal+0x17ba/0x1b50\n? vfs_read+0x179/0xa40\n? timerlat_fd_read+0x30b/0x9d0\n? __pfx_get_signal+0x10/0x10\n? __pfx_timerlat_fd_read+0x10/0x10\narch_do_signal_or_restart+0x8c/0x570\n? __pfx_arch_do_signal_or_restart+0x10/0x10\n? vfs_read+0x179/0xa40\n? ksys_read+0xfe/0x1d0\n? __pfx_ksys_read+0x10/0x10\nsyscall_exit_to_user_mode+0xbc/0x130\ndo_syscall_64+0x74/0x110\n? __pfx___rseq_handle_notify_resume+0x10/0x10\n? __pfx_ksys_read+0x10/0x10\n? fpregs_restore_userregs+0xdb/0x1e0\n? fpregs_restore_userregs+0xdb/0x1e0\n? syscall_exit_to_user_mode+0x116/0x130\n? do_syscall_64+0x74/0x110\n? do_syscall_64+0x74/0x110\n? do_syscall_64+0x74/0x110\nentry_SYSCALL_64_after_hwframe+0x71/0x79\nRIP: 0033:0x7ff0070eca9c\nCode: Unable to access opcode bytes at 0x7ff0070eca72.\nRSP: 002b:00007ff006dff8c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000\nRAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007ff0070eca9c\nRDX: 0000000000000400 RSI: 00007ff006dff9a0 RDI: 0000000000000003\nRBP: 00007ff006dffde0 R08: 0000000000000000 R09: 00007ff000000ba0\nR10: 00007ff007004b08 R11: 0000000000000246 R12: 0000000000000003\nR13: 00007ff006dff9a0 R14: 0000000000000007 R15: 0000000000000008\n</TASK>\nModules linked in: snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec snd_hwdep snd_hda_core\n---[ end trace 0000000000000000 ]---\nThis is because it would mistakenly call kthread_stop() on a user space\nthread making it \"exit\" before it actually exits.\nSince kthread\n---truncated---"], "name": "CVE-2024-46788", "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": "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-09-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-46788\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-46788\nhttps://lore.kernel.org/linux-cve-announce/2024091852-CVE-2024-46788-1fbc@gregkh/T"], "threat_severity": "Low"}

{}