2025-03-17 17:03:50 +00:00

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{
"id": "CVE-2024-26681",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-04-02T07:15:44.567",
"lastModified": "2025-03-17T15:41:54.090",
"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 <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 "
}
],
"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
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-835"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.0",
"versionEndExcluding": "6.1.78",
"matchCriteriaId": "12EE926A-E34D-41BE-B857-286F1093510F"
},
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.2",
"versionEndExcluding": "6.6.17",
"matchCriteriaId": "73F8C6ED-5A0B-4B25-8FA9-AF916A9C8F0B"
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.7",
"versionEndExcluding": "6.7.5",
"matchCriteriaId": "01925741-2C95-47C1-A7EA-3DC2BB0012D3"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*",
"matchCriteriaId": "B9F4EA73-0894-400F-A490-3A397AB7A517"
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"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"
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"references": [
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