{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-25T06:44:04.902","vulnerabilities":[{"cve":{"id":"CVE-2024-56701","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-12-28T10:15:17.620","lastModified":"2025-11-03T21:18:21.017","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/pseries: Fix dtl_access_lock to be a rw_semaphore\n\nThe dtl_access_lock needs to be a rw_sempahore, a sleeping lock, because\nthe code calls kmalloc() while holding it, which can sleep:\n\n  # echo 1 > /proc/powerpc/vcpudispatch_stats\n  BUG: sleeping function called from invalid context at include/linux/sched/mm.h:337\n  in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 199, name: sh\n  preempt_count: 1, expected: 0\n  3 locks held by sh/199:\n   #0: c00000000a0743f8 (sb_writers#3){.+.+}-{0:0}, at: vfs_write+0x324/0x438\n   #1: c0000000028c7058 (dtl_enable_mutex){+.+.}-{3:3}, at: vcpudispatch_stats_write+0xd4/0x5f4\n   #2: c0000000028c70b8 (dtl_access_lock){+.+.}-{2:2}, at: vcpudispatch_stats_write+0x220/0x5f4\n  CPU: 0 PID: 199 Comm: sh Not tainted 6.10.0-rc4 #152\n  Hardware name: IBM pSeries (emulated by qemu) POWER9 (raw) 0x4e1202 0xf000005 of:SLOF,HEAD hv:linux,kvm pSeries\n  Call Trace:\n    dump_stack_lvl+0x130/0x148 (unreliable)\n    __might_resched+0x174/0x410\n    kmem_cache_alloc_noprof+0x340/0x3d0\n    alloc_dtl_buffers+0x124/0x1ac\n    vcpudispatch_stats_write+0x2a8/0x5f4\n    proc_reg_write+0xf4/0x150\n    vfs_write+0xfc/0x438\n    ksys_write+0x88/0x148\n    system_call_exception+0x1c4/0x5a0\n    system_call_common+0xf4/0x258"},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: powerpc/pseries: Se corrige que dtl_access_lock sea un rw_semaphore. El dtl_access_lock debe ser un rw_sempahore, un bloqueo inactivo, porque el código llama a kmalloc() mientras lo mantiene, lo que puede inactivar: # echo 1 &gt; /proc/powerpc/vcpudispatch_stats ERROR: función inactiva llamada desde un contexto no válido en include/linux/sched/mm.h:337 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 199, name: sh preempt_count: 1, expected: 0 3 bloqueos mantenidos por sh/199: #0: c00000000a0743f8 (sb_writers#3){.+.+}-{0:0}, en: vfs_write+0x324/0x438 #1: c0000000028c7058 (dtl_enable_mutex){+.+.}-{3:3}, en: vcpudispatch_stats_write+0xd4/0x5f4 #2: c0000000028c70b8 (dtl_access_lock){+.+.}-{2:2}, en: vcpudispatch_stats_write+0x220/0x5f4 CPU: 0 PID: 199 Comm: sh No contaminado 6.10.0-rc4 #152 Nombre del hardware: IBM pSeries (emulado por qemu) POWER9 (sin procesar) 0x4e1202 0xf000005 de:SLOF,HEAD hv:linux,kvm Rastreo de llamadas de pSeries: dump_stack_lvl+0x130/0x148 (no confiable) __might_resched+0x174/0x410 kmem_cache_alloc_noprof+0x340/0x3d0 alloc_dtl_buffers+0x124/0x1ac vcpudispatch_stats_write+0x2a8/0x5f4 proc_reg_write+0xf4/0x150 vfs_write+0xfc/0x438 ksys_write+0x88/0x148 excepción_de_llamada_al_sistema+0x1c4/0x5a0 llamada_al_sistema_común+0xf4/0x258"}],"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":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.10.231","matchCriteriaId":"B2C3E926-13AE-409E-B6D3-FCB069CF0E93"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.174","matchCriteriaId":"419FD073-1517-4FD5-8158-F94BC68A1E89"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.120","matchCriteriaId":"09AC6122-E2A4-40FE-9D33-268A1B2EC265"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.64","matchCriteriaId":"CA16DEE3-ABEC-4449-9F4A-7A3DC4FC36C7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.11.11","matchCriteriaId":"21434379-192D-472F-9B54-D45E3650E893"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.12.2","matchCriteriaId":"D8882B1B-2ABC-4838-AC1D-DBDBB5764776"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/525e18f1ba7c2b098c8ba587fb397efb34a6574c","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/6956c0e7346ce1bbfc726755aa8da10d26e84276","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/a246daa26b717e755ccc9061f47f7cd1c0b358dd","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b125d0cf1adde7b2b47d7337fed7e9133eea3463","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/cadae3a45d23aa4f6485938a67cbc47aaaa25e38","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/f6ec133668757f84e5143f1eb141fd0b83778b9e","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/fa5b5ea257135e771b489c83a2e93b5935d0108e","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}