CVE-2024-40981 (GCVE-0-2024-40981)

Vulnerability from cvelistv5 – Published: 2024-07-12 12:32 – Updated: 2026-01-05 10:37
VLAI?
Title
batman-adv: bypass empty buckets in batadv_purge_orig_ref()
Summary
In the Linux kernel, the following vulnerability has been resolved: batman-adv: bypass empty buckets in batadv_purge_orig_ref() Many syzbot reports are pointing to soft lockups in batadv_purge_orig_ref() [1] Root cause is unknown, but we can avoid spending too much time there and perhaps get more interesting reports. [1] watchdog: BUG: soft lockup - CPU#0 stuck for 27s! [kworker/u4:6:621] Modules linked in: irq event stamp: 6182794 hardirqs last enabled at (6182793): [<ffff8000801dae10>] __local_bh_enable_ip+0x224/0x44c kernel/softirq.c:386 hardirqs last disabled at (6182794): [<ffff80008ad66a78>] __el1_irq arch/arm64/kernel/entry-common.c:533 [inline] hardirqs last disabled at (6182794): [<ffff80008ad66a78>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:551 softirqs last enabled at (6182792): [<ffff80008aab71c4>] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (6182792): [<ffff80008aab71c4>] batadv_purge_orig_ref+0x114c/0x1228 net/batman-adv/originator.c:1287 softirqs last disabled at (6182790): [<ffff80008aab61dc>] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (6182790): [<ffff80008aab61dc>] batadv_purge_orig_ref+0x164/0x1228 net/batman-adv/originator.c:1271 CPU: 0 PID: 621 Comm: kworker/u4:6 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: bat_events batadv_purge_orig pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : should_resched arch/arm64/include/asm/preempt.h:79 [inline] pc : __local_bh_enable_ip+0x228/0x44c kernel/softirq.c:388 lr : __local_bh_enable_ip+0x224/0x44c kernel/softirq.c:386 sp : ffff800099007970 x29: ffff800099007980 x28: 1fffe00018fce1bd x27: dfff800000000000 x26: ffff0000d2620008 x25: ffff0000c7e70de8 x24: 0000000000000001 x23: 1fffe00018e57781 x22: dfff800000000000 x21: ffff80008aab71c4 x20: ffff0001b40136c0 x19: ffff0000c72bbc08 x18: 1fffe0001a817bb0 x17: ffff800125414000 x16: ffff80008032116c x15: 0000000000000001 x14: 1fffe0001ee9d610 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000000 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : 00000000005e5789 x7 : ffff80008aab61dc x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : 0000000000000080 x0 : ffff800125414000 Call trace: __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:27 [inline] arch_local_irq_enable arch/arm64/include/asm/irqflags.h:49 [inline] __local_bh_enable_ip+0x228/0x44c kernel/softirq.c:386 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] batadv_purge_orig_ref+0x114c/0x1228 net/batman-adv/originator.c:1287 batadv_purge_orig+0x20/0x70 net/batman-adv/originator.c:1300 process_one_work+0x694/0x1204 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2787 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:51 lr : default_idle_call+0xf8/0x128 kernel/sched/idle.c:103 sp : ffff800093a17d30 x29: ffff800093a17d30 x28: dfff800000000000 x27: 1ffff00012742fb4 x26: ffff80008ec9d000 x25: 0000000000000000 x24: 0000000000000002 x23: 1ffff00011d93a74 x22: ffff80008ec9d3a0 x21: 0000000000000000 x20: ffff0000c19dbc00 x19: ffff8000802d0fd8 x18: 1fffe00036804396 x17: ffff80008ec9d000 x16: ffff8000802d089c x15: 0000000000000001 ---truncated---
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: fb778ea173fcd58b8fc3d75c674f07fab187b55f , < 79636f636126775436a11ee9cf00a9253a33ac11 (git)
Affected: fb778ea173fcd58b8fc3d75c674f07fab187b55f , < 154e3f862ba33675cf3f4abf0a0a309a89df87d2 (git)
Affected: fb778ea173fcd58b8fc3d75c674f07fab187b55f , < 82cdea8f3af1e36543c937df963d108c60bea030 (git)
Affected: fb778ea173fcd58b8fc3d75c674f07fab187b55f , < 92176caf9896572f00e741a93cecc0ef1172da07 (git)
Affected: fb778ea173fcd58b8fc3d75c674f07fab187b55f , < fed7914858a1f1f3e6350bb0f620d6ef15107d16 (git)
Affected: fb778ea173fcd58b8fc3d75c674f07fab187b55f , < 2685008a5f9a636434a8508419cee8158a2f52c8 (git)
Affected: fb778ea173fcd58b8fc3d75c674f07fab187b55f , < ae7f3cffe86aea3da0e8e079525a1ae619b8862a (git)
Affected: fb778ea173fcd58b8fc3d75c674f07fab187b55f , < 40dc8ab605894acae1473e434944924a22cfaaa0 (git)
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    Linux Linux Affected: 2.6.39
Unaffected: 0 , < 2.6.39 (semver)
Unaffected: 4.19.317 , ≤ 4.19.* (semver)
Unaffected: 5.4.279 , ≤ 5.4.* (semver)
Unaffected: 5.10.221 , ≤ 5.10.* (semver)
Unaffected: 5.15.162 , ≤ 5.15.* (semver)
Unaffected: 6.1.96 , ≤ 6.1.* (semver)
Unaffected: 6.6.36 , ≤ 6.6.* (semver)
Unaffected: 6.9.7 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: bypass empty buckets in batadv_purge_orig_ref()\n\nMany syzbot reports are pointing to soft lockups in\nbatadv_purge_orig_ref() [1]\n\nRoot cause is unknown, but we can avoid spending too much\ntime there and perhaps get more interesting reports.\n\n[1]\n\nwatchdog: BUG: soft lockup - CPU#0 stuck for 27s! [kworker/u4:6:621]\nModules linked in:\nirq event stamp: 6182794\n hardirqs last  enabled at (6182793): [\u003cffff8000801dae10\u003e] __local_bh_enable_ip+0x224/0x44c kernel/softirq.c:386\n hardirqs last disabled at (6182794): [\u003cffff80008ad66a78\u003e] __el1_irq arch/arm64/kernel/entry-common.c:533 [inline]\n hardirqs last disabled at (6182794): [\u003cffff80008ad66a78\u003e] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:551\n softirqs last  enabled at (6182792): [\u003cffff80008aab71c4\u003e] spin_unlock_bh include/linux/spinlock.h:396 [inline]\n softirqs last  enabled at (6182792): [\u003cffff80008aab71c4\u003e] batadv_purge_orig_ref+0x114c/0x1228 net/batman-adv/originator.c:1287\n softirqs last disabled at (6182790): [\u003cffff80008aab61dc\u003e] spin_lock_bh include/linux/spinlock.h:356 [inline]\n softirqs last disabled at (6182790): [\u003cffff80008aab61dc\u003e] batadv_purge_orig_ref+0x164/0x1228 net/batman-adv/originator.c:1271\nCPU: 0 PID: 621 Comm: kworker/u4:6 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024\nWorkqueue: bat_events batadv_purge_orig\npstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : should_resched arch/arm64/include/asm/preempt.h:79 [inline]\n pc : __local_bh_enable_ip+0x228/0x44c kernel/softirq.c:388\n lr : __local_bh_enable_ip+0x224/0x44c kernel/softirq.c:386\nsp : ffff800099007970\nx29: ffff800099007980 x28: 1fffe00018fce1bd x27: dfff800000000000\nx26: ffff0000d2620008 x25: ffff0000c7e70de8 x24: 0000000000000001\nx23: 1fffe00018e57781 x22: dfff800000000000 x21: ffff80008aab71c4\nx20: ffff0001b40136c0 x19: ffff0000c72bbc08 x18: 1fffe0001a817bb0\nx17: ffff800125414000 x16: ffff80008032116c x15: 0000000000000001\nx14: 1fffe0001ee9d610 x13: 0000000000000000 x12: 0000000000000003\nx11: 0000000000000000 x10: 0000000000ff0100 x9 : 0000000000000000\nx8 : 00000000005e5789 x7 : ffff80008aab61dc x6 : 0000000000000000\nx5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000\nx2 : 0000000000000006 x1 : 0000000000000080 x0 : ffff800125414000\nCall trace:\n  __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:27 [inline]\n  arch_local_irq_enable arch/arm64/include/asm/irqflags.h:49 [inline]\n  __local_bh_enable_ip+0x228/0x44c kernel/softirq.c:386\n  __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]\n  _raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:210\n  spin_unlock_bh include/linux/spinlock.h:396 [inline]\n  batadv_purge_orig_ref+0x114c/0x1228 net/batman-adv/originator.c:1287\n  batadv_purge_orig+0x20/0x70 net/batman-adv/originator.c:1300\n  process_one_work+0x694/0x1204 kernel/workqueue.c:2633\n  process_scheduled_works kernel/workqueue.c:2706 [inline]\n  worker_thread+0x938/0xef4 kernel/workqueue.c:2787\n  kthread+0x288/0x310 kernel/kthread.c:388\n  ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860\nSending NMI from CPU 0 to CPUs 1:\nNMI backtrace for cpu 1\nCPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024\npstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:51\n lr : default_idle_call+0xf8/0x128 kernel/sched/idle.c:103\nsp : ffff800093a17d30\nx29: ffff800093a17d30 x28: dfff800000000000 x27: 1ffff00012742fb4\nx26: ffff80008ec9d000 x25: 0000000000000000 x24: 0000000000000002\nx23: 1ffff00011d93a74 x22: ffff80008ec9d3a0 x21: 0000000000000000\nx20: ffff0000c19dbc00 x19: ffff8000802d0fd8 x18: 1fffe00036804396\nx17: ffff80008ec9d000 x16: ffff8000802d089c x15: 0000000000000001\n---truncated---"
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  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/79636f636126775436a11ee9cf00a9253a33ac11\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/154e3f862ba33675cf3f4abf0a0a309a89df87d2\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/82cdea8f3af1e36543c937df963d108c60bea030\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/92176caf9896572f00e741a93cecc0ef1172da07\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/fed7914858a1f1f3e6350bb0f620d6ef15107d16\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/2685008a5f9a636434a8508419cee8158a2f52c8\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/ae7f3cffe86aea3da0e8e079525a1ae619b8862a\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/40dc8ab605894acae1473e434944924a22cfaaa0\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T21:58:46.464Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-40981\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T17:02:19.871778Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:22.180Z\"}}], \"cna\": {\"title\": \"batman-adv: bypass empty buckets in batadv_purge_orig_ref()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"fb778ea173fcd58b8fc3d75c674f07fab187b55f\", \"lessThan\": \"79636f636126775436a11ee9cf00a9253a33ac11\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fb778ea173fcd58b8fc3d75c674f07fab187b55f\", \"lessThan\": \"154e3f862ba33675cf3f4abf0a0a309a89df87d2\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fb778ea173fcd58b8fc3d75c674f07fab187b55f\", \"lessThan\": \"82cdea8f3af1e36543c937df963d108c60bea030\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fb778ea173fcd58b8fc3d75c674f07fab187b55f\", \"lessThan\": \"92176caf9896572f00e741a93cecc0ef1172da07\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fb778ea173fcd58b8fc3d75c674f07fab187b55f\", \"lessThan\": \"fed7914858a1f1f3e6350bb0f620d6ef15107d16\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fb778ea173fcd58b8fc3d75c674f07fab187b55f\", \"lessThan\": \"2685008a5f9a636434a8508419cee8158a2f52c8\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fb778ea173fcd58b8fc3d75c674f07fab187b55f\", \"lessThan\": \"ae7f3cffe86aea3da0e8e079525a1ae619b8862a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fb778ea173fcd58b8fc3d75c674f07fab187b55f\", \"lessThan\": \"40dc8ab605894acae1473e434944924a22cfaaa0\", \"versionType\": \"git\"}], \"programFiles\": [\"net/batman-adv/originator.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.6.39\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"2.6.39\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.19.317\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.279\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.221\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.162\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.96\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.36\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9.7\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.9.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/batman-adv/originator.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/79636f636126775436a11ee9cf00a9253a33ac11\"}, {\"url\": \"https://git.kernel.org/stable/c/154e3f862ba33675cf3f4abf0a0a309a89df87d2\"}, {\"url\": \"https://git.kernel.org/stable/c/82cdea8f3af1e36543c937df963d108c60bea030\"}, {\"url\": \"https://git.kernel.org/stable/c/92176caf9896572f00e741a93cecc0ef1172da07\"}, {\"url\": \"https://git.kernel.org/stable/c/fed7914858a1f1f3e6350bb0f620d6ef15107d16\"}, {\"url\": \"https://git.kernel.org/stable/c/2685008a5f9a636434a8508419cee8158a2f52c8\"}, {\"url\": \"https://git.kernel.org/stable/c/ae7f3cffe86aea3da0e8e079525a1ae619b8862a\"}, {\"url\": \"https://git.kernel.org/stable/c/40dc8ab605894acae1473e434944924a22cfaaa0\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbatman-adv: bypass empty buckets in batadv_purge_orig_ref()\\n\\nMany syzbot reports are pointing to soft lockups in\\nbatadv_purge_orig_ref() [1]\\n\\nRoot cause is unknown, but we can avoid spending too much\\ntime there and perhaps get more interesting reports.\\n\\n[1]\\n\\nwatchdog: BUG: soft lockup - CPU#0 stuck for 27s! [kworker/u4:6:621]\\nModules linked in:\\nirq event stamp: 6182794\\n hardirqs last  enabled at (6182793): [\u003cffff8000801dae10\u003e] __local_bh_enable_ip+0x224/0x44c kernel/softirq.c:386\\n hardirqs last disabled at (6182794): [\u003cffff80008ad66a78\u003e] __el1_irq arch/arm64/kernel/entry-common.c:533 [inline]\\n hardirqs last disabled at (6182794): [\u003cffff80008ad66a78\u003e] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:551\\n softirqs last  enabled at (6182792): [\u003cffff80008aab71c4\u003e] spin_unlock_bh include/linux/spinlock.h:396 [inline]\\n softirqs last  enabled at (6182792): [\u003cffff80008aab71c4\u003e] batadv_purge_orig_ref+0x114c/0x1228 net/batman-adv/originator.c:1287\\n softirqs last disabled at (6182790): [\u003cffff80008aab61dc\u003e] spin_lock_bh include/linux/spinlock.h:356 [inline]\\n softirqs last disabled at (6182790): [\u003cffff80008aab61dc\u003e] batadv_purge_orig_ref+0x164/0x1228 net/batman-adv/originator.c:1271\\nCPU: 0 PID: 621 Comm: kworker/u4:6 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024\\nWorkqueue: bat_events batadv_purge_orig\\npstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\\n pc : should_resched arch/arm64/include/asm/preempt.h:79 [inline]\\n pc : __local_bh_enable_ip+0x228/0x44c kernel/softirq.c:388\\n lr : __local_bh_enable_ip+0x224/0x44c kernel/softirq.c:386\\nsp : ffff800099007970\\nx29: ffff800099007980 x28: 1fffe00018fce1bd x27: dfff800000000000\\nx26: ffff0000d2620008 x25: ffff0000c7e70de8 x24: 0000000000000001\\nx23: 1fffe00018e57781 x22: dfff800000000000 x21: ffff80008aab71c4\\nx20: ffff0001b40136c0 x19: ffff0000c72bbc08 x18: 1fffe0001a817bb0\\nx17: ffff800125414000 x16: ffff80008032116c x15: 0000000000000001\\nx14: 1fffe0001ee9d610 x13: 0000000000000000 x12: 0000000000000003\\nx11: 0000000000000000 x10: 0000000000ff0100 x9 : 0000000000000000\\nx8 : 00000000005e5789 x7 : ffff80008aab61dc x6 : 0000000000000000\\nx5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000\\nx2 : 0000000000000006 x1 : 0000000000000080 x0 : ffff800125414000\\nCall trace:\\n  __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:27 [inline]\\n  arch_local_irq_enable arch/arm64/include/asm/irqflags.h:49 [inline]\\n  __local_bh_enable_ip+0x228/0x44c kernel/softirq.c:386\\n  __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]\\n  _raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:210\\n  spin_unlock_bh include/linux/spinlock.h:396 [inline]\\n  batadv_purge_orig_ref+0x114c/0x1228 net/batman-adv/originator.c:1287\\n  batadv_purge_orig+0x20/0x70 net/batman-adv/originator.c:1300\\n  process_one_work+0x694/0x1204 kernel/workqueue.c:2633\\n  process_scheduled_works kernel/workqueue.c:2706 [inline]\\n  worker_thread+0x938/0xef4 kernel/workqueue.c:2787\\n  kthread+0x288/0x310 kernel/kthread.c:388\\n  ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860\\nSending NMI from CPU 0 to CPUs 1:\\nNMI backtrace for cpu 1\\nCPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0\\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024\\npstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\\n pc : arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:51\\n lr : default_idle_call+0xf8/0x128 kernel/sched/idle.c:103\\nsp : ffff800093a17d30\\nx29: ffff800093a17d30 x28: dfff800000000000 x27: 1ffff00012742fb4\\nx26: ffff80008ec9d000 x25: 0000000000000000 x24: 0000000000000002\\nx23: 1ffff00011d93a74 x22: ffff80008ec9d3a0 x21: 0000000000000000\\nx20: ffff0000c19dbc00 x19: ffff8000802d0fd8 x18: 1fffe00036804396\\nx17: ffff80008ec9d000 x16: ffff8000802d089c x15: 0000000000000001\\n---truncated---\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.317\", \"versionStartIncluding\": \"2.6.39\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.279\", \"versionStartIncluding\": \"2.6.39\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.221\", \"versionStartIncluding\": \"2.6.39\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.162\", \"versionStartIncluding\": \"2.6.39\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.96\", \"versionStartIncluding\": \"2.6.39\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.36\", \"versionStartIncluding\": \"2.6.39\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9.7\", \"versionStartIncluding\": \"2.6.39\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10\", \"versionStartIncluding\": \"2.6.39\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-01-05T10:37:10.952Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-40981\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-05T10:37:10.952Z\", \"dateReserved\": \"2024-07-12T12:17:45.604Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-07-12T12:32:16.277Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Sightings

Author Source Type Date

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.