CVE-2023-53031

{"id": "CVE-2023-53031", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2025-03-27T17:15:52.870", "references": [{"url": "https://git.kernel.org/stable/c/424bcb570cb320d1d15238cd4c933522b90f78fa", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/76d588dddc459fefa1da96e0a081a397c5c8e216", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8cbeb60320ac45a8240b561c8ef466b86c34dedc", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a90d339f1f66be4a946769b565668e2bd0686dfa", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d0c6d2a31026102d4738b47a610bed4401b9834f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-667"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/imc-pmu: Fix use of mutex in IRQs disabled section\n\nCurrent imc-pmu code triggers a WARNING with CONFIG_DEBUG_ATOMIC_SLEEP\nand CONFIG_PROVE_LOCKING enabled, while running a thread_imc event.\n\nCommand to trigger the warning:\n # perf stat -e thread_imc/CPM_CS_FROM_L4_MEM_X_DPTEG/ sleep 5\n\n Performance counter stats for 'sleep 5':\n\n 0 thread_imc/CPM_CS_FROM_L4_MEM_X_DPTEG/\n\n 5.002117947 seconds time elapsed\n\n 0.000131000 seconds user\n 0.001063000 seconds sys\n\nBelow is snippet of the warning in dmesg:\n\n BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580\n in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2869, name: perf-exec\n preempt_count: 2, expected: 0\n 4 locks held by perf-exec/2869:\n #0: c00000004325c540 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: bprm_execve+0x64/0xa90\n #1: c00000004325c5d8 (&sig->exec_update_lock){++++}-{3:3}, at: begin_new_exec+0x460/0xef0\n #2: c0000003fa99d4e0 (&cpuctx_lock){-...}-{2:2}, at: perf_event_exec+0x290/0x510\n #3: c000000017ab8418 (&ctx->lock){....}-{2:2}, at: perf_event_exec+0x29c/0x510\n irq event stamp: 4806\n hardirqs last enabled at (4805): [<c000000000f65b94>] _raw_spin_unlock_irqrestore+0x94/0xd0\n hardirqs last disabled at (4806): [<c0000000003fae44>] perf_event_exec+0x394/0x510\n softirqs last enabled at (0): [<c00000000013c404>] copy_process+0xc34/0x1ff0\n softirqs last disabled at (0): [<0000000000000000>] 0x0\n CPU: 36 PID: 2869 Comm: perf-exec Not tainted 6.2.0-rc2-00011-g1247637727f2 #61\n Hardware name: 8375-42A POWER9 0x4e1202 opal:v7.0-16-g9b85f7d961 PowerNV\n Call Trace:\n dump_stack_lvl+0x98/0xe0 (unreliable)\n __might_resched+0x2f8/0x310\n __mutex_lock+0x6c/0x13f0\n thread_imc_event_add+0xf4/0x1b0\n event_sched_in+0xe0/0x210\n merge_sched_in+0x1f0/0x600\n visit_groups_merge.isra.92.constprop.166+0x2bc/0x6c0\n ctx_flexible_sched_in+0xcc/0x140\n ctx_sched_in+0x20c/0x2a0\n ctx_resched+0x104/0x1c0\n perf_event_exec+0x340/0x510\n begin_new_exec+0x730/0xef0\n load_elf_binary+0x3f8/0x1e10\n ...\n do not call blocking ops when !TASK_RUNNING; state=2001 set at [<00000000fd63e7cf>] do_nanosleep+0x60/0x1a0\n WARNING: CPU: 36 PID: 2869 at kernel/sched/core.c:9912 __might_sleep+0x9c/0xb0\n CPU: 36 PID: 2869 Comm: sleep Tainted: G W 6.2.0-rc2-00011-g1247637727f2 #61\n Hardware name: 8375-42A POWER9 0x4e1202 opal:v7.0-16-g9b85f7d961 PowerNV\n NIP: c000000000194a1c LR: c000000000194a18 CTR: c000000000a78670\n REGS: c00000004d2134e0 TRAP: 0700 Tainted: G W (6.2.0-rc2-00011-g1247637727f2)\n MSR: 9000000000021033 <SF,HV,ME,IR,DR,RI,LE> CR: 48002824 XER: 00000000\n CFAR: c00000000013fb64 IRQMASK: 1\n\nThe above warning triggered because the current imc-pmu code uses mutex\nlock in interrupt disabled sections. The function mutex_lock()\ninternally calls __might_resched(), which will check if IRQs are\ndisabled and in case IRQs are disabled, it will trigger the warning.\n\nFix the issue by changing the mutex lock to spinlock.\n\n[mpe: Fix comments, trim oops in change log, add reported-by tags]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: powerpc/imc-pmu: Se corrige el uso de mutex en la secci\u00f3n deshabilitada de IRQ. El c\u00f3digo imc-pmu actual activa una ADVERTENCIA con CONFIG_DEBUG_ATOMIC_SLEEP y CONFIG_PROVE_LOCKING habilitados, mientras se ejecuta un evento thread_imc. Comando para activar la advertencia: # perf stat -e thread_imc/CPM_CS_FROM_L4_MEM_X_DPTEG/ sleep 5 Estad\u00edsticas del contador de rendimiento para 'sleep 5': 0 thread_imc/CPM_CS_FROM_L4_MEM_X_DPTEG/ 5.002117947 segundos tiempo transcurrido 0.000131000 segundos usuario 0.001063000 segundos sys A continuaci\u00f3n se muestra un fragmento de la advertencia en dmesg: ERROR: funci\u00f3n de suspensi\u00f3n llamada desde un contexto no v\u00e1lido en kernel/locking/mutex.c:580 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2869, name: perf-exec preempt_count: 2, expected: 0 4 bloqueos mantenidos por perf-exec/2869: #0: c00000004325c540 (&amp;sig-&gt;cred_guard_mutex){+.+.}-{3:3}, en: bprm_execve+0x64/0xa90 #1: c00000004325c5d8 (&amp;sig-&gt;exec_update_lock){++++}-{3:3}, en: begin_new_exec+0x460/0xef0 #2: c0000003fa99d4e0 (&amp;cpuctx_lock){-...}-{2:2}, en: perf_event_exec+0x290/0x510 #3: c000000017ab8418 (&amp;ctx-&gt;lock){....}-{2:2}, en: perf_event_exec+0x29c/0x510 marca de evento de irq: 4806 hardirqs habilitados por \u00faltima vez en (4805): [] _raw_spin_unlock_irqrestore+0x94/0xd0 hardirqs deshabilitados por \u00faltima vez en (4806): [] perf_event_exec+0x394/0x510 softirqs habilitados por \u00faltima vez en (0): [] copy_process+0xc34/0x1ff0 softirqs deshabilitados por \u00faltima vez en (0): [&lt;000000000000000&gt;] 0x0 CPU: 36 PID: 2869 Comm: perf-exec No contaminado 6.2.0-rc2-00011-g1247637727f2 #61 Nombre del hardware: 8375-42A POWER9 0x4e1202 opal:v7.0-16-g9b85f7d961 Rastreo de llamadas de PowerNV: dump_stack_lvl+0x98/0xe0 (no confiable) __might_resched+0x2f8/0x310 __mutex_lock+0x6c/0x13f0 thread_imc_event_add+0xf4/0x1b0 event_sched_in+0xe0/0x210 merge_sched_in+0x1f0/0x600 visit_groups_merge.isra.92.constprop.166+0x2bc/0x6c0 ctx_flexible_sched_in+0xcc/0x140 ctx_sched_in+0x20c/0x2a0 ctx_resched+0x104/0x1c0 perf_event_exec+0x340/0x510 begin_new_exec+0x730/0xef0 load_elf_binary+0x3f8/0x1e10 ... no llamar a operaciones de bloqueo cuando !TASK_RUNNING; estado=2001 establecido en [&lt;00000000fd63e7cf&gt;] do_nanosleep+0x60/0x1a0 ADVERTENCIA: CPU: 36 PID: 2869 en kernel/sched/core.c:9912 __might_sleep+0x9c/0xb0 CPU: 36 PID: 2869 Comm: sleep Contaminado: GW 6.2.0-rc2-00011-g1247637727f2 #61 Nombre del hardware: 8375-42A POWER9 0x4e1202 opal:v7.0-16-g9b85f7d961 PowerNV NIP: c000000000194a1c LR: c000000000194a18 CTR: c000000000a78670 REGS: c00000004d2134e0 TRAP: 0700 Tainted: GW (6.2.0-rc2-00011-g1247637727f2) MSR: 9000000000021033 CR: 48002824 XER: 00000000 CFAR: c00000000013fb64 IRQMASK: 1 La advertencia anterior se activ\u00f3 porque el c\u00f3digo imc-pmu actual usa bloqueo mutex en secciones con interrupciones deshabilitadas. La funci\u00f3n mutex_lock() llama internamente a __might_resched(), que verificar\u00e1 si las IRQ est\u00e1n deshabilitadas y, en caso de que lo est\u00e9n, activar\u00e1 la advertencia. Solucione el problema cambiando el bloqueo mutex a spinlock. [mpe: Corregir comentarios, eliminar errores en el registro de cambios, agregar etiquetas reportadas por]"}], "lastModified": "2025-10-31T18:49:02.437", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "10D8851C-38BC-4353-B991-31BC7BBD68AF", "versionEndExcluding": "5.4.229", "versionStartIncluding": "4.14"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CA742E66-32D2-459E-AB19-171C4DB3B1F4", "versionEndExcluding": "5.10.164", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E706841F-E788-4316-9B05-DA8EB60CE6B3", "versionEndExcluding": "5.15.89", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9275C81F-AE96-4CDB-AD20-7DBD36E5D909", "versionEndExcluding": "6.1.7", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FF501633-2F44-4913-A8EE-B021929F49F6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2BDA597B-CAC1-4DF0-86F0-42E142C654E9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "725C78C9-12CE-406F-ABE8-0813A01D66E8"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}