{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-26681", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.153Z", "datePublished": "2024-04-02T07:01:44.700Z", "dateUpdated": "2026-05-11T20:02:08.616Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:02:08.616Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetdevsim: avoid potential loop in nsim_dev_trap_report_work()\n\nMany syzbot reports include the following trace [1]\n\nIf nsim_dev_trap_report_work() can not grab the mutex,\nit should rearm itself at least one jiffie later.\n\n[1]\nSending NMI from CPU 1 to CPUs 0:\nNMI backtrace for cpu 0\nCPU: 0 PID: 32383 Comm: kworker/0:2 Not tainted 6.8.0-rc2-syzkaller-00031-g861c0981648f #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023\nWorkqueue: events nsim_dev_trap_report_work\n RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:89 [inline]\n RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline]\n RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]\n RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]\n RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]\n RIP: 0010:kasan_check_range+0x101/0x190 mm/kasan/generic.c:189\nCode: 07 49 39 d1 75 0a 45 3a 11 b8 01 00 00 00 7c 0b 44 89 c2 e8 21 ed ff ff 83 f0 01 5b 5d 41 5c c3 48 85 d2 74 4f 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 41 80 38 00 74 f2 eb b6 41 bc 08 00 00 00\nRSP: 0018:ffffc90012dcf998 EFLAGS: 00000046\nRAX: fffffbfff258af1e RBX: fffffbfff258af1f RCX: ffffffff8168eda3\nRDX: fffffbfff258af1f RSI: 0000000000000004 RDI: ffffffff92c578f0\nRBP: fffffbfff258af1e R08: 0000000000000000 R09: fffffbfff258af1e\nR10: ffffffff92c578f3 R11: ffffffff8acbcbc0 R12: 0000000000000002\nR13: ffff88806db38400 R14: 1ffff920025b9f42 R15: ffffffff92c578e8\nFS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 000000c00994e078 CR3: 000000002c250000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <NMI>\n </NMI>\n <TASK>\n instrument_atomic_read include/linux/instrumented.h:68 [inline]\n atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]\n queued_spin_is_locked include/asm-generic/qspinlock.h:57 [inline]\n debug_spin_unlock kernel/locking/spinlock_debug.c:101 [inline]\n do_raw_spin_unlock+0x53/0x230 kernel/locking/spinlock_debug.c:141\n __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:150 [inline]\n _raw_spin_unlock_irqrestore+0x22/0x70 kernel/locking/spinlock.c:194\n debug_object_activate+0x349/0x540 lib/debugobjects.c:726\n debug_work_activate kernel/workqueue.c:578 [inline]\n insert_work+0x30/0x230 kernel/workqueue.c:1650\n __queue_work+0x62e/0x11d0 kernel/workqueue.c:1802\n __queue_delayed_work+0x1bf/0x270 kernel/workqueue.c:1953\n queue_delayed_work_on+0x106/0x130 kernel/workqueue.c:1989\n queue_delayed_work include/linux/workqueue.h:563 [inline]\n schedule_delayed_work include/linux/workqueue.h:677 [inline]\n nsim_dev_trap_report_work+0x9c0/0xc80 drivers/net/netdevsim/dev.c:842\n process_one_work+0x886/0x15d0 kernel/workqueue.c:2633\n process_scheduled_works kernel/workqueue.c:2706 [inline]\n worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787\n kthread+0x2c6/0x3a0 kernel/kthread.c:388\n ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242\n </TASK>"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/netdevsim/dev.c"], "versions": [{"version": "012ec02ae4410207f796a9b280a60b80b6cc790a", "lessThan": "0193e0660cc6689c794794b471492923cfd7bfbc", "status": "affected", "versionType": "git"}, {"version": "012ec02ae4410207f796a9b280a60b80b6cc790a", "lessThan": "6eecddd9c3c8d6e3a097531cdc6d500335b35e46", "status": "affected", "versionType": "git"}, {"version": "012ec02ae4410207f796a9b280a60b80b6cc790a", "lessThan": "d91964cdada76740811b7c621239f9c407820dbc", "status": "affected", "versionType": "git"}, {"version": "012ec02ae4410207f796a9b280a60b80b6cc790a", "lessThan": "ba5e1272142d051dcc57ca1d3225ad8a089f9858", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/netdevsim/dev.c"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.78", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.17", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.7.5", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8", "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": "6.0", "versionEndExcluding": "6.1.78"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.6.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.7.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.8"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0193e0660cc6689c794794b471492923cfd7bfbc"}, {"url": "https://git.kernel.org/stable/c/6eecddd9c3c8d6e3a097531cdc6d500335b35e46"}, {"url": "https://git.kernel.org/stable/c/d91964cdada76740811b7c621239f9c407820dbc"}, {"url": "https://git.kernel.org/stable/c/ba5e1272142d051dcc57ca1d3225ad8a089f9858"}], "title": "netdevsim: avoid potential loop in nsim_dev_trap_report_work()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:14:12.959Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/0193e0660cc6689c794794b471492923cfd7bfbc", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/6eecddd9c3c8d6e3a097531cdc6d500335b35e46", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/d91964cdada76740811b7c621239f9c407820dbc", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ba5e1272142d051dcc57ca1d3225ad8a089f9858", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-26681", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T15:53:19.750035Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:33:35.354Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/0193e0660cc6689c794794b471492923cfd7bfbc", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/6eecddd9c3c8d6e3a097531cdc6d500335b35e46", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/d91964cdada76740811b7c621239f9c407820dbc", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ba5e1272142d051dcc57ca1d3225ad8a089f9858", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:14:12.959Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-26681", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T15:53:19.750035Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T12:42:17.488Z"}}], "cna": {"title": "netdevsim: avoid potential loop in nsim_dev_trap_report_work()", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "012ec02ae4410207f796a9b280a60b80b6cc790a", "lessThan": "0193e0660cc6689c794794b471492923cfd7bfbc", "versionType": "git"}, {"status": "affected", "version": "012ec02ae4410207f796a9b280a60b80b6cc790a", "lessThan": "6eecddd9c3c8d6e3a097531cdc6d500335b35e46", "versionType": "git"}, {"status": "affected", "version": "012ec02ae4410207f796a9b280a60b80b6cc790a", "lessThan": "d91964cdada76740811b7c621239f9c407820dbc", "versionType": "git"}, {"status": "affected", "version": "012ec02ae4410207f796a9b280a60b80b6cc790a", "lessThan": "ba5e1272142d051dcc57ca1d3225ad8a089f9858", "versionType": "git"}], "programFiles": ["drivers/net/netdevsim/dev.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.0"}, {"status": "unaffected", "version": "0", "lessThan": "6.0", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.78", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.17", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.7.5", "versionType": "semver", "lessThanOrEqual": "6.7.*"}, {"status": "unaffected", "version": "6.8", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/net/netdevsim/dev.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/0193e0660cc6689c794794b471492923cfd7bfbc"}, {"url": "https://git.kernel.org/stable/c/6eecddd9c3c8d6e3a097531cdc6d500335b35e46"}, {"url": "https://git.kernel.org/stable/c/d91964cdada76740811b7c621239f9c407820dbc"}, {"url": "https://git.kernel.org/stable/c/ba5e1272142d051dcc57ca1d3225ad8a089f9858"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetdevsim: avoid potential loop in nsim_dev_trap_report_work()\n\nMany syzbot reports include the following trace [1]\n\nIf nsim_dev_trap_report_work() can not grab the mutex,\nit should rearm itself at least one jiffie later.\n\n[1]\nSending NMI from CPU 1 to CPUs 0:\nNMI backtrace for cpu 0\nCPU: 0 PID: 32383 Comm: kworker/0:2 Not tainted 6.8.0-rc2-syzkaller-00031-g861c0981648f #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023\nWorkqueue: events nsim_dev_trap_report_work\n RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:89 [inline]\n RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline]\n RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]\n RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]\n RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]\n RIP: 0010:kasan_check_range+0x101/0x190 mm/kasan/generic.c:189\nCode: 07 49 39 d1 75 0a 45 3a 11 b8 01 00 00 00 7c 0b 44 89 c2 e8 21 ed ff ff 83 f0 01 5b 5d 41 5c c3 48 85 d2 74 4f 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 41 80 38 00 74 f2 eb b6 41 bc 08 00 00 00\nRSP: 0018:ffffc90012dcf998 EFLAGS: 00000046\nRAX: fffffbfff258af1e RBX: fffffbfff258af1f RCX: ffffffff8168eda3\nRDX: fffffbfff258af1f RSI: 0000000000000004 RDI: ffffffff92c578f0\nRBP: fffffbfff258af1e R08: 0000000000000000 R09: fffffbfff258af1e\nR10: ffffffff92c578f3 R11: ffffffff8acbcbc0 R12: 0000000000000002\nR13: ffff88806db38400 R14: 1ffff920025b9f42 R15: ffffffff92c578e8\nFS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 000000c00994e078 CR3: 000000002c250000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <NMI>\n </NMI>\n <TASK>\n instrument_atomic_read include/linux/instrumented.h:68 [inline]\n atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]\n queued_spin_is_locked include/asm-generic/qspinlock.h:57 [inline]\n debug_spin_unlock kernel/locking/spinlock_debug.c:101 [inline]\n do_raw_spin_unlock+0x53/0x230 kernel/locking/spinlock_debug.c:141\n __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:150 [inline]\n _raw_spin_unlock_irqrestore+0x22/0x70 kernel/locking/spinlock.c:194\n debug_object_activate+0x349/0x540 lib/debugobjects.c:726\n debug_work_activate kernel/workqueue.c:578 [inline]\n insert_work+0x30/0x230 kernel/workqueue.c:1650\n __queue_work+0x62e/0x11d0 kernel/workqueue.c:1802\n __queue_delayed_work+0x1bf/0x270 kernel/workqueue.c:1953\n queue_delayed_work_on+0x106/0x130 kernel/workqueue.c:1989\n queue_delayed_work include/linux/workqueue.h:563 [inline]\n schedule_delayed_work include/linux/workqueue.h:677 [inline]\n nsim_dev_trap_report_work+0x9c0/0xc80 drivers/net/netdevsim/dev.c:842\n process_one_work+0x886/0x15d0 kernel/workqueue.c:2633\n process_scheduled_works kernel/workqueue.c:2706 [inline]\n worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787\n kthread+0x2c6/0x3a0 kernel/kthread.c:388\n ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242\n </TASK>"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.78", "versionStartIncluding": "6.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.17", "versionStartIncluding": "6.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.7.5", "versionStartIncluding": "6.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.8", "versionStartIncluding": "6.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:02:08.616Z"}}}, "cveMetadata": {"cveId": "CVE-2024-26681", "state": "PUBLISHED", "dateUpdated": "2026-05-11T20:02:08.616Z", "dateReserved": "2024-02-19T14:20:24.153Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-04-02T07:01:44.700Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "12EE926A-E34D-41BE-B857-286F1093510F", "versionEndExcluding": "6.1.78", "versionStartIncluding": "6.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "73F8C6ED-5A0B-4B25-8FA9-AF916A9C8F0B", "versionEndExcluding": "6.6.17", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "01925741-2C95-47C1-A7EA-3DC2BB0012D3", "versionEndExcluding": "6.7.5", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*", "matchCriteriaId": "B9F4EA73-0894-400F-A490-3A397AB7A517", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*", "matchCriteriaId": "056BD938-0A27-4569-B391-30578B309EE3", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*", "matchCriteriaId": "F02056A5-B362-4370-9FF8-6F0BD384D520", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetdevsim: avoid potential loop in nsim_dev_trap_report_work()\n\nMany syzbot reports include the following trace [1]\n\nIf nsim_dev_trap_report_work() can not grab the mutex,\nit should rearm itself at least one jiffie later.\n\n[1]\nSending NMI from CPU 1 to CPUs 0:\nNMI backtrace for cpu 0\nCPU: 0 PID: 32383 Comm: kworker/0:2 Not tainted 6.8.0-rc2-syzkaller-00031-g861c0981648f #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023\nWorkqueue: events nsim_dev_trap_report_work\n RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:89 [inline]\n RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline]\n RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]\n RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]\n RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]\n RIP: 0010:kasan_check_range+0x101/0x190 mm/kasan/generic.c:189\nCode: 07 49 39 d1 75 0a 45 3a 11 b8 01 00 00 00 7c 0b 44 89 c2 e8 21 ed ff ff 83 f0 01 5b 5d 41 5c c3 48 85 d2 74 4f 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 41 80 38 00 74 f2 eb b6 41 bc 08 00 00 00\nRSP: 0018:ffffc90012dcf998 EFLAGS: 00000046\nRAX: fffffbfff258af1e RBX: fffffbfff258af1f RCX: ffffffff8168eda3\nRDX: fffffbfff258af1f RSI: 0000000000000004 RDI: ffffffff92c578f0\nRBP: fffffbfff258af1e R08: 0000000000000000 R09: fffffbfff258af1e\nR10: ffffffff92c578f3 R11: ffffffff8acbcbc0 R12: 0000000000000002\nR13: ffff88806db38400 R14: 1ffff920025b9f42 R15: ffffffff92c578e8\nFS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 000000c00994e078 CR3: 000000002c250000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <NMI>\n </NMI>\n <TASK>\n instrument_atomic_read include/linux/instrumented.h:68 [inline]\n atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]\n queued_spin_is_locked include/asm-generic/qspinlock.h:57 [inline]\n debug_spin_unlock kernel/locking/spinlock_debug.c:101 [inline]\n do_raw_spin_unlock+0x53/0x230 kernel/locking/spinlock_debug.c:141\n __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:150 [inline]\n _raw_spin_unlock_irqrestore+0x22/0x70 kernel/locking/spinlock.c:194\n debug_object_activate+0x349/0x540 lib/debugobjects.c:726\n debug_work_activate kernel/workqueue.c:578 [inline]\n insert_work+0x30/0x230 kernel/workqueue.c:1650\n __queue_work+0x62e/0x11d0 kernel/workqueue.c:1802\n __queue_delayed_work+0x1bf/0x270 kernel/workqueue.c:1953\n queue_delayed_work_on+0x106/0x130 kernel/workqueue.c:1989\n queue_delayed_work include/linux/workqueue.h:563 [inline]\n schedule_delayed_work include/linux/workqueue.h:677 [inline]\n nsim_dev_trap_report_work+0x9c0/0xc80 drivers/net/netdevsim/dev.c:842\n process_one_work+0x886/0x15d0 kernel/workqueue.c:2633\n process_scheduled_works kernel/workqueue.c:2706 [inline]\n worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787\n kthread+0x2c6/0x3a0 kernel/kthread.c:388\n ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242\n </TASK>"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netdevsim: evita un posible bucle en nsim_dev_trap_report_work() Muchos informes de syzbot incluyen el siguiente seguimiento [1] Si nsim_dev_trap_report_work() no puede capturar el mutex, deber\u00eda rearmarse al menos un santiam\u00e9n despu\u00e9s . [1] Env\u00edo de NMI desde la CPU 1 a las CPU 0: seguimiento de NMI para la CPU 0 CPU: 0 PID: 32383 Comm: kworker/0:2 Not tainted 6.8.0-rc2-syzkaller-00031-g861c0981648f #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 17/11/2023 Cola de trabajo: eventos nsim_dev_trap_report_work RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:89 [en l\u00ednea] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [ en l\u00ednea] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [en l\u00ednea] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [en l\u00ednea] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [en l\u00ednea] RIP: 0010:kasan_check_range+0x101/0x190 mm/kasan/generic.c:189 C\u00f3digo: 07 49 39 d1 75 0a 45 3a 11 b8 01 00 00 00 7c 0b 44 89 c2 e8 21 ed ff ff 83 f0 01 5b 5d 41 5c c3 48 85 d2 74 4f 48 01 ea eb 09 &lt;48&gt; 83 c0 01 48 39 d0 74 41 80 38 00 74 f2 eb b6 41 bc 08 00 00 00 RSP: 0018:ffffc90012dcf998 EFLAGS: 00000046 RAX: ffffbfff258af1e RBX: ffffbfff258af1f RCX: ffffffff8168eda3 RDX: ffffbfff258af1f RSI: 0000000000000004 RDI: ffffffff92c578f0 RBP: ffffbfff258af1e R08: 00000000000000000 R09: f ffffbfff258af1e R10: ffffffff92c578f3 R11: ffffffff8acbcbc0 R12: 0000000000000002 R13: ffff88806db38400 R14: 1ffff920025b9f42 R15: ffffffff92c578e8 FS: 0000 000000000000(0000) GS: ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00994e078 CR3: 000000002c250000 CR 4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 00000000000000000 DR6: 00000000ffe0ff0 DR7: 00000 00000000400 Seguimiento de llamadas: &lt; NMI&gt; instrument_atomic_read include/linux/instrumented.h:68 [en l\u00ednea] atomic_read include/linux/atomic/atomic-instrumented.h:32 [en l\u00ednea] queued_spin_is_locked include/asm-generic/qspinlock.h: 57 [en l\u00ednea] debug_spin_unlock kernel/locking/spinlock_debug.c:101 [en l\u00ednea] do_raw_spin_unlock+0x53/0x230 kernel/locking/spinlock_debug.c:141 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:150 [en l\u00ednea] _raw_spin_unlock_irqrestore +0x22/0x70 n\u00facleo /locking/spinlock.c:194 debug_object_activate+0x349/0x540 lib/debugobjects.c:726 debug_work_activate kernel/workqueue.c:578 [en l\u00ednea] insert_work+0x30/0x230 kernel/workqueue.c:1650 __queue_work+0x62e/0x11d0 kernel/ workqueue.c:1802 __queue_delayed_work+0x1bf/0x270 kernel/workqueue.c:1953 queue_delayed_work_on+0x106/0x130 kernel/workqueue.c:1989 queue_delayed_work include/linux/workqueue.h:563 [en l\u00ednea] Schedule_delayed_work include/linux/workqueue.h :677 [en l\u00ednea] nsim_dev_trap_report_work+0x9c0/0xc80 drivers/net/netdevsim/dev.c:842 Process_one_work+0x886/0x15d0 kernel/workqueue.c:2633 Process_scheduled_works kernel/workqueue.c:2706 [en l\u00ednea] work_thread+0x8b9/0x1290 n\u00facleo /workqueue.c:2787 kthread+0x2c6/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 "}], "id": "CVE-2024-26681", "lastModified": "2025-03-17T15:41:54.090", "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": "2024-04-02T07:15:44.567", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0193e0660cc6689c794794b471492923cfd7bfbc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6eecddd9c3c8d6e3a097531cdc6d500335b35e46"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ba5e1272142d051dcc57ca1d3225ad8a089f9858"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d91964cdada76740811b7c621239f9c407820dbc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0193e0660cc6689c794794b471492923cfd7bfbc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6eecddd9c3c8d6e3a097531cdc6d500335b35e46"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ba5e1272142d051dcc57ca1d3225ad8a089f9858"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d91964cdada76740811b7c621239f9c407820dbc"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: netdevsim: avoid potential loop in nsim_dev_trap_report_work()", "id": "2272844", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2272844"}, "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"}, "cwe": "CWE-606", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnetdevsim: avoid potential loop in nsim_dev_trap_report_work()\nMany syzbot reports include the following trace [1]\nIf nsim_dev_trap_report_work() can not grab the mutex,\nit should rearm itself at least one jiffie later.\n[1]\nSending NMI from CPU 1 to CPUs 0:\nNMI backtrace for cpu 0\nCPU: 0 PID: 32383 Comm: kworker/0:2 Not tainted 6.8.0-rc2-syzkaller-00031-g861c0981648f #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023\nWorkqueue: events nsim_dev_trap_report_work\nRIP: 0010:bytes_is_nonzero mm/kasan/generic.c:89 [inline]\nRIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline]\nRIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]\nRIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]\nRIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]\nRIP: 0010:kasan_check_range+0x101/0x190 mm/kasan/generic.c:189\nCode: 07 49 39 d1 75 0a 45 3a 11 b8 01 00 00 00 7c 0b 44 89 c2 e8 21 ed ff ff 83 f0 01 5b 5d 41 5c c3 48 85 d2 74 4f 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 41 80 38 00 74 f2 eb b6 41 bc 08 00 00 00\nRSP: 0018:ffffc90012dcf998 EFLAGS: 00000046\nRAX: fffffbfff258af1e RBX: fffffbfff258af1f RCX: ffffffff8168eda3\nRDX: fffffbfff258af1f RSI: 0000000000000004 RDI: ffffffff92c578f0\nRBP: fffffbfff258af1e R08: 0000000000000000 R09: fffffbfff258af1e\nR10: ffffffff92c578f3 R11: ffffffff8acbcbc0 R12: 0000000000000002\nR13: ffff88806db38400 R14: 1ffff920025b9f42 R15: ffffffff92c578e8\nFS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 000000c00994e078 CR3: 000000002c250000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n<NMI>\n</NMI>\n<TASK>\ninstrument_atomic_read include/linux/instrumented.h:68 [inline]\natomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]\nqueued_spin_is_locked include/asm-generic/qspinlock.h:57 [inline]\ndebug_spin_unlock kernel/locking/spinlock_debug.c:101 [inline]\ndo_raw_spin_unlock+0x53/0x230 kernel/locking/spinlock_debug.c:141\n__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:150 [inline]\n_raw_spin_unlock_irqrestore+0x22/0x70 kernel/locking/spinlock.c:194\ndebug_object_activate+0x349/0x540 lib/debugobjects.c:726\ndebug_work_activate kernel/workqueue.c:578 [inline]\ninsert_work+0x30/0x230 kernel/workqueue.c:1650\n__queue_work+0x62e/0x11d0 kernel/workqueue.c:1802\n__queue_delayed_work+0x1bf/0x270 kernel/workqueue.c:1953\nqueue_delayed_work_on+0x106/0x130 kernel/workqueue.c:1989\nqueue_delayed_work include/linux/workqueue.h:563 [inline]\nschedule_delayed_work include/linux/workqueue.h:677 [inline]\nnsim_dev_trap_report_work+0x9c0/0xc80 drivers/net/netdevsim/dev.c:842\nprocess_one_work+0x886/0x15d0 kernel/workqueue.c:2633\nprocess_scheduled_works kernel/workqueue.c:2706 [inline]\nworker_thread+0x8b9/0x1290 kernel/workqueue.c:2787\nkthread+0x2c6/0x3a0 kernel/kthread.c:388\nret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147\nret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242\n</TASK>"], "name": "CVE-2024-26681", "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": "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": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26681\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26681\nhttps://lore.kernel.org/linux-cve-announce/2024040253-CVE-2024-26681-7e46@gregkh/T"], "threat_severity": "Low"}

{}