CVE-2022-48658
Vulnerability from cvelistv5
Published
2024-04-28 13:01
Modified
2024-11-04 12:14
Severity ?
Summary
mm: slub: fix flush_cpu_slab()/__free_slab() invocations in task context.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/61703b248be993eb4997b00ae5d3318e6d8f3c5bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/df6cb39335cf5a1b918e8dbd8ba7cd9f1d00e45aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e45cc288724f0cfd497bb5920bcfa60caa335729Patch
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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Commit 5a836bf6b09f (\\\"mm: slub: mover invocaciones de flu_cpu_slab() invocaciones de __free_slab() fuera del contexto IRQ\\\") movi\u00f3 todas las invocaciones de flu_cpu_slab() a la cola de trabajo global para evitar un problema relacionado con la llamada de desactivate_slab()/__free_slab() desde un Contexto IRQ en n\u00facleos PREEMPT_RT. Cuando se llama a la funci\u00f3n Flush_all_cpu_locked() desde un contexto de tarea, puede suceder que una cola de trabajo con el bit WQ_MEM_RECLAIM configurado termine vaciando la cola de trabajo global, esto causar\u00e1 un problema de dependencia. cola de trabajo: WQ_MEM_RECLAIM nvme-delete-wq:nvme_delete_ctrl_work [nvme_core] se est\u00e1 vaciando! Eventos WQ_MEM_RECLAIM:flush_cpu_slab ADVERTENCIA: CPU: 37 PID: 410 en kernel/workqueue.c:2637 check_flush_dependency+0x10a/0x120 Cola de trabajo: vme-delete-wq nvme_delete_ctrl_work [ nvme_core] RIP: 0010:check_flush_dependency+0x10a/0x120[ 453.262125] Seguimiento de llamadas: __flush_work.isra.0+0xbf/0x220? __queue_work+0x1dc/0x420 Flush_all_cpus_locked+0xfb/0x120 __kmem_cache_shutdown+0x2b/0x320 kmem_cache_destroy+0x49/0x100 bioset_exit+0x143/0x190 blk_release_queue+0xb9/0x100 kobject_cleanup+0 x37/0x130 nvme_fc_ctrl_free+0xc6/0x150 [nvme_fc] nvme_free_ctrl+0x1ac/0x2b0 [nvme_core ] Corrija este error creando una cola de trabajo para la operaci\u00f3n de vaciado con el bit WQ_MEM_RECLAIM establecido.\"}],\"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:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartExcluding\":\"5.15\",\"versionEndExcluding\":\"5.15.71\",\"matchCriteriaId\":\"0DD72702-7EDC-4831-87FE-AAE2CF9EA537\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartExcluding\":\"5.16\",\"versionEndExcluding\":\"5.19.12\",\"matchCriteriaId\":\"2D86B159-0AA3-429A-8FE5-B87DB2046DB6\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/61703b248be993eb4997b00ae5d3318e6d8f3c5b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/df6cb39335cf5a1b918e8dbd8ba7cd9f1d00e45a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e45cc288724f0cfd497bb5920bcfa60caa335729\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
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