CVE-2024-26681 (GCVE-0-2024-26681)

Vulnerability from cvelistv5 – Published: 2024-04-02 07:01 – Updated: 2026-05-11 20:02
VLAI
Title
netdevsim: avoid potential loop in nsim_dev_trap_report_work()
Summary
In the Linux kernel, the following vulnerability has been resolved: netdevsim: avoid potential loop in nsim_dev_trap_report_work() Many syzbot reports include the following trace [1] If nsim_dev_trap_report_work() can not grab the mutex, it should rearm itself at least one jiffie later. [1] Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 32383 Comm: kworker/0:2 Not tainted 6.8.0-rc2-syzkaller-00031-g861c0981648f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Workqueue: events nsim_dev_trap_report_work RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:89 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0x101/0x190 mm/kasan/generic.c:189 Code: 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 RSP: 0018:ffffc90012dcf998 EFLAGS: 00000046 RAX: fffffbfff258af1e RBX: fffffbfff258af1f RCX: ffffffff8168eda3 RDX: fffffbfff258af1f RSI: 0000000000000004 RDI: ffffffff92c578f0 RBP: fffffbfff258af1e R08: 0000000000000000 R09: fffffbfff258af1e R10: ffffffff92c578f3 R11: ffffffff8acbcbc0 R12: 0000000000000002 R13: ffff88806db38400 R14: 1ffff920025b9f42 R15: ffffffff92c578e8 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00994e078 CR3: 000000002c250000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <NMI> </NMI> <TASK> instrument_atomic_read include/linux/instrumented.h:68 [inline] atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline] queued_spin_is_locked include/asm-generic/qspinlock.h:57 [inline] debug_spin_unlock kernel/locking/spinlock_debug.c:101 [inline] do_raw_spin_unlock+0x53/0x230 kernel/locking/spinlock_debug.c:141 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:150 [inline] _raw_spin_unlock_irqrestore+0x22/0x70 kernel/locking/spinlock.c:194 debug_object_activate+0x349/0x540 lib/debugobjects.c:726 debug_work_activate kernel/workqueue.c:578 [inline] 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 [inline] schedule_delayed_work include/linux/workqueue.h:677 [inline] 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 [inline] worker_thread+0x8b9/0x1290 kernel/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 </TASK>
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 012ec02ae4410207f796a9b280a60b80b6cc790a , < 0193e0660cc6689c794794b471492923cfd7bfbc (git)
Affected: 012ec02ae4410207f796a9b280a60b80b6cc790a , < 6eecddd9c3c8d6e3a097531cdc6d500335b35e46 (git)
Affected: 012ec02ae4410207f796a9b280a60b80b6cc790a , < d91964cdada76740811b7c621239f9c407820dbc (git)
Affected: 012ec02ae4410207f796a9b280a60b80b6cc790a , < ba5e1272142d051dcc57ca1d3225ad8a089f9858 (git)
Create a notification for this product.
Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 6.1.78 , ≤ 6.1.* (semver)
Unaffected: 6.6.17 , ≤ 6.6.* (semver)
Unaffected: 6.7.5 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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          "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 \u003c48\u003e 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 \u003cNMI\u003e\n \u003c/NMI\u003e\n \u003cTASK\u003e\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 \u003c/TASK\u003e"
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    "epss": {
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      "date": "2026-07-27",
      "epss": "0.00225",
      "percentile": "0.13297"
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    "fkie_nvd": {
      "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 \u003c48\u003e 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 \u003cNMI\u003e\\n \u003c/NMI\u003e\\n \u003cTASK\u003e\\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 \u003c/TASK\u003e\"}, {\"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 \u0026lt;48\u0026gt; 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: \u0026lt; NMI\u0026gt;   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": "2024-11-21T09:02:50.057",
      "published": "2024-04-02T07:15:44.567",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/0193e0660cc6689c794794b471492923cfd7bfbc\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/6eecddd9c3c8d6e3a097531cdc6d500335b35e46\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/ba5e1272142d051dcc57ca1d3225ad8a089f9858\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/d91964cdada76740811b7c621239f9c407820dbc\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/0193e0660cc6689c794794b471492923cfd7bfbc\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/6eecddd9c3c8d6e3a097531cdc6d500335b35e46\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/ba5e1272142d051dcc57ca1d3225ad8a089f9858\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/d91964cdada76740811b7c621239f9c407820dbc\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Awaiting Analysis"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26681\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-02T07:15:44.567\",\"lastModified\":\"2026-06-17T07:18:04.987\",\"vulnStatus\":\"Analyzed\",\"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 \u003c48\u003e 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 \u003cNMI\u003e\\n \u003c/NMI\u003e\\n \u003cTASK\u003e\\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 \u003c/TASK\u003e\"},{\"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 \u0026lt;48\u0026gt; 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: \u0026lt; NMI\u0026gt;   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 \"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/net/netdevsim/dev.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"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\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/net/netdevsim/dev.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6.0\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"6.0\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.78\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.17\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.7.5\",\"lessThanOrEqual\":\"6.7.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.8\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-09-10T15:53:19.750035Z\",\"id\":\"CVE-2024-26681\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA 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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T10:52:30+00:00",
      "cve": "CVE-2024-26681",
      "id": "CVE-2024-26681",
      "initial_release_date": "2024-04-02T00:00:00+00:00",
      "product_status:known_affected": "28",
      "product_status:known_not_affected": "170",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: netdevsim: avoid potential loop in nsim_dev_trap_report_work()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-26681.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-23T02:09:47Z",
      "cve": "CVE-2024-26681",
      "id": "CVE-2024-26681",
      "initial_release_date": "2024-04-09T02:29:15Z",
      "product_status:known_affected": "400",
      "product_status:known_not_affected": "342",
      "product_status:recommended": "440",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-26681",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-26681.json",
      "version": "60"
    },
    "vulnrichment": {
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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 \u003c48\u003e 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 \u003cNMI\u003e\\n \u003c/NMI\u003e\\n \u003cTASK\u003e\\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 \u003c/TASK\u003e\"}], \"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\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.