CVE-2022-48675
Vulnerability from cvelistv5
Published
2024-05-03 14:52
Modified
2024-08-03 15:17
Severity ?
EPSS score ?
Summary
IB/core: Fix a nested dead lock as part of ODP flow
References
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"timestamp": "2024-05-31T18:55:21.563051Z",
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"product": "Linux",
"programFiles": [
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nIB/core: Fix a nested dead lock as part of ODP flow\n\nFix a nested dead lock as part of ODP flow by using mmput_async().\n\nFrom the below call trace [1] can see that calling mmput() once we have\nthe umem_odp-\u003eumem_mutex locked as required by\nib_umem_odp_map_dma_and_lock() might trigger in the same task the\nexit_mmap()-\u003e__mmu_notifier_release()-\u003emlx5_ib_invalidate_range() which\nmay dead lock when trying to lock the same mutex.\n\nMoving to use mmput_async() will solve the problem as the above\nexit_mmap() flow will be called in other task and will be executed once\nthe lock will be available.\n\n[1]\n[64843.077665] task:kworker/u133:2 state:D stack: 0 pid:80906 ppid:\n2 flags:0x00004000\n[64843.077672] Workqueue: mlx5_ib_page_fault mlx5_ib_eqe_pf_action [mlx5_ib]\n[64843.077719] Call Trace:\n[64843.077722] \u003cTASK\u003e\n[64843.077724] __schedule+0x23d/0x590\n[64843.077729] schedule+0x4e/0xb0\n[64843.077735] schedule_preempt_disabled+0xe/0x10\n[64843.077740] __mutex_lock.constprop.0+0x263/0x490\n[64843.077747] __mutex_lock_slowpath+0x13/0x20\n[64843.077752] mutex_lock+0x34/0x40\n[64843.077758] mlx5_ib_invalidate_range+0x48/0x270 [mlx5_ib]\n[64843.077808] __mmu_notifier_release+0x1a4/0x200\n[64843.077816] exit_mmap+0x1bc/0x200\n[64843.077822] ? walk_page_range+0x9c/0x120\n[64843.077828] ? __cond_resched+0x1a/0x50\n[64843.077833] ? mutex_lock+0x13/0x40\n[64843.077839] ? uprobe_clear_state+0xac/0x120\n[64843.077860] mmput+0x5f/0x140\n[64843.077867] ib_umem_odp_map_dma_and_lock+0x21b/0x580 [ib_core]\n[64843.077931] pagefault_real_mr+0x9a/0x140 [mlx5_ib]\n[64843.077962] pagefault_mr+0xb4/0x550 [mlx5_ib]\n[64843.077992] pagefault_single_data_segment.constprop.0+0x2ac/0x560\n[mlx5_ib]\n[64843.078022] mlx5_ib_eqe_pf_action+0x528/0x780 [mlx5_ib]\n[64843.078051] process_one_work+0x22b/0x3d0\n[64843.078059] worker_thread+0x53/0x410\n[64843.078065] ? process_one_work+0x3d0/0x3d0\n[64843.078073] kthread+0x12a/0x150\n[64843.078079] ? set_kthread_struct+0x50/0x50\n[64843.078085] ret_from_fork+0x22/0x30\n[64843.078093] \u003c/TASK\u003e"
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"title": "IB/core: Fix a nested dead lock as part of ODP flow",
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"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2022-48675",
"datePublished": "2024-05-03T14:52:06.518Z",
"dateReserved": "2024-02-25T13:44:28.322Z",
"dateUpdated": "2024-08-03T15:17:55.742Z",
"state": "PUBLISHED"
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"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2022-48675\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-03T15:15:07.627\",\"lastModified\":\"2024-05-23T20:33:42.183\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nIB/core: Fix a nested dead lock as part of ODP flow\\n\\nFix a nested dead lock as part of ODP flow by using mmput_async().\\n\\nFrom the below call trace [1] can see that calling mmput() once we have\\nthe umem_odp-\u003eumem_mutex locked as required by\\nib_umem_odp_map_dma_and_lock() might trigger in the same task the\\nexit_mmap()-\u003e__mmu_notifier_release()-\u003emlx5_ib_invalidate_range() which\\nmay dead lock when trying to lock the same mutex.\\n\\nMoving to use mmput_async() will solve the problem as the above\\nexit_mmap() flow will be called in other task and will be executed once\\nthe lock will be available.\\n\\n[1]\\n[64843.077665] task:kworker/u133:2 state:D stack: 0 pid:80906 ppid:\\n2 flags:0x00004000\\n[64843.077672] Workqueue: mlx5_ib_page_fault mlx5_ib_eqe_pf_action [mlx5_ib]\\n[64843.077719] Call Trace:\\n[64843.077722] \u003cTASK\u003e\\n[64843.077724] __schedule+0x23d/0x590\\n[64843.077729] schedule+0x4e/0xb0\\n[64843.077735] schedule_preempt_disabled+0xe/0x10\\n[64843.077740] __mutex_lock.constprop.0+0x263/0x490\\n[64843.077747] __mutex_lock_slowpath+0x13/0x20\\n[64843.077752] mutex_lock+0x34/0x40\\n[64843.077758] mlx5_ib_invalidate_range+0x48/0x270 [mlx5_ib]\\n[64843.077808] __mmu_notifier_release+0x1a4/0x200\\n[64843.077816] exit_mmap+0x1bc/0x200\\n[64843.077822] ? walk_page_range+0x9c/0x120\\n[64843.077828] ? __cond_resched+0x1a/0x50\\n[64843.077833] ? mutex_lock+0x13/0x40\\n[64843.077839] ? uprobe_clear_state+0xac/0x120\\n[64843.077860] mmput+0x5f/0x140\\n[64843.077867] ib_umem_odp_map_dma_and_lock+0x21b/0x580 [ib_core]\\n[64843.077931] pagefault_real_mr+0x9a/0x140 [mlx5_ib]\\n[64843.077962] pagefault_mr+0xb4/0x550 [mlx5_ib]\\n[64843.077992] pagefault_single_data_segment.constprop.0+0x2ac/0x560\\n[mlx5_ib]\\n[64843.078022] mlx5_ib_eqe_pf_action+0x528/0x780 [mlx5_ib]\\n[64843.078051] process_one_work+0x22b/0x3d0\\n[64843.078059] worker_thread+0x53/0x410\\n[64843.078065] ? process_one_work+0x3d0/0x3d0\\n[64843.078073] kthread+0x12a/0x150\\n[64843.078079] ? set_kthread_struct+0x50/0x50\\n[64843.078085] ret_from_fork+0x22/0x30\\n[64843.078093] \u003c/TASK\u003e\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: IB/core: corrija un bloqueo anidado como parte del flujo ODP. Corrija un bloqueo anidado como parte del flujo ODP usando mmput_async(). En el siguiente seguimiento de llamadas [1] se puede ver que llamar a mmput() una vez que tenemos umem_odp-\u0026gt;umem_mutex bloqueado como lo requiere ib_umem_odp_map_dma_and_lock() podr\u00eda desencadenar en la misma tarea exit_mmap()-\u0026gt;__mmu_notifier_release()-\u0026gt;mlx5_ib_invalidate_range() lo que puede bloquearse al intentar bloquear el mismo mutex. Pasar a utilizar mmput_async() resolver\u00e1 el problema ya que el flujo exit_mmap() anterior se llamar\u00e1 en otra tarea y se ejecutar\u00e1 una vez que el bloqueo est\u00e9 disponible. [1] [64843.077665] tarea:kworker/u133:2 estado:D pila: 0 pid:80906 ppid: 2 banderas:0x00004000 [64843.077672] Cola de trabajo: mlx5_ib_page_fault mlx5_ib_eqe_pf_action [mlx5_ib] 9] Seguimiento de llamadas: [64843.077722] [64843.077724] __schedule+0x23d/0x590 [64843.077729] Schedule+0x4e/0xb0 [64843.077735] Schedule_preempt_disabled+0xe/0x10 [64843.077740] __mutex_lock.constprop.0+0x263/0x 490 [64843.077747] __mutex_lock_slowpath+0x13/0x20 [64843.077752] mutex_lock+0x34 /0x40 [64843.077758] mlx5_ib_invalidate_range+0x48/0x270 [mlx5_ib] [64843.077808] __mmu_notifier_release+0x1a4/0x200 [64843.077816] exit_mmap+0x1bc/0x200 822] ? walk_page_range+0x9c/0x120 [64843.077828] ? __cond_resched+0x1a/0x50 [64843.077833] ? mutex_lock+0x13/0x40 [64843.077839] ? uprobe_clear_state+0xac/0x120 [64843.077860] mmput+0x5f/0x140 [64843.077867] ib_umem_odp_map_dma_and_lock+0x21b/0x580 [ib_core] [64843.077931] pagefault_real_mr+0x9a/0x 140 [mlx5_ib] [64843.077962] pagefault_mr+0xb4/0x550 [mlx5_ib] [64843.077992] pagefault_single_data_segment .constprop.0+0x2ac/0x560 [mlx5_ib] [64843.078022] mlx5_ib_eqe_pf_action+0x528/0x780 [mlx5_ib] [64843.078051] Process_one_work+0x22b/0x3d0 [64843.078059] x53/0x410 [64843.078065] ? proceso_one_work+0x3d0/0x3d0 [64843.078073] kthread+0x12a/0x150 [64843.078079] ? set_kthread_struct+0x50/0x50 [64843.078085] ret_from_fork+0x22/0x30 [64843.078093] \"}],\"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\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-667\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.10\",\"versionEndExcluding\":\"5.10.143\",\"matchCriteriaId\":\"76CAFB30-218D-4245-9302-53CC23E96072\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.68\",\"matchCriteriaId\":\"C440CED2-FE3C-495D-839C-857FFC6F523A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.19.9\",\"matchCriteriaId\":\"B4895A99-6E1B-4C76-A510-FDED00AD7D29\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/819110054b14d7272b4188db997a3d80f75ab785\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/83c43fd872e32c8071d5582eb7c40f573a8342f3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/85eaeb5058f0f04dffb124c97c86b4f18db0b833\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e8de6cb5755eae7b793d8c00c8696c8667d44a7f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
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}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.