mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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49 lines
4.1 KiB
JSON
49 lines
4.1 KiB
JSON
{
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"id": "CVE-2024-56701",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-12-28T10:15:17.620",
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"lastModified": "2024-12-28T10:15:17.620",
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"vulnStatus": "Awaiting Analysis",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"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"
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},
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{
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"lang": "es",
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"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 c\u00f3digo llama a kmalloc() mientras lo mantiene, lo que puede inactivar: # echo 1 > /proc/powerpc/vcpudispatch_stats ERROR: funci\u00f3n inactiva llamada desde un contexto no v\u00e1lido 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 excepci\u00f3n_de_llamada_al_sistema+0x1c4/0x5a0 llamada_al_sistema_com\u00fan+0xf4/0x258"
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}
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],
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"metrics": {},
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/525e18f1ba7c2b098c8ba587fb397efb34a6574c",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/6956c0e7346ce1bbfc726755aa8da10d26e84276",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/a246daa26b717e755ccc9061f47f7cd1c0b358dd",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/b125d0cf1adde7b2b47d7337fed7e9133eea3463",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/cadae3a45d23aa4f6485938a67cbc47aaaa25e38",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/f6ec133668757f84e5143f1eb141fd0b83778b9e",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/fa5b5ea257135e771b489c83a2e93b5935d0108e",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |