CVE-2024-42146

{"id": "CVE-2024-42146", "cveTags": [], "metrics": {}, "published": "2024-07-30T08:15:06.313", "references": [{"url": "https://git.kernel.org/stable/c/0888d15ea45ba8ef4508edd1123ea5ad95b58994", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f9116f658a6217b101e3b4e89f845775b6fb05d9", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Awaiting Analysis", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: Add outer runtime_pm protection to xe_live_ktest@xe_dma_buf\n\nAny kunit doing any memory access should get their own runtime_pm\nouter references since they don't use the standard driver API\nentries. In special this dma_buf from the same driver.\n\nFound by pre-merge CI on adding WARN calls for unprotected\ninner callers:\n\n<6> [318.639739] # xe_dma_buf_kunit: running xe_test_dmabuf_import_same_driver\n<4> [318.639957] ------------[ cut here ]------------\n<4> [318.639967] xe 0000:4d:00.0: Missing outer runtime PM protection\n<4> [318.640049] WARNING: CPU: 117 PID: 3832 at drivers/gpu/drm/xe/xe_pm.c:533 xe_pm_runtime_get_noresume+0x48/0x60 [xe]"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/xe: agregue protecci\u00f3n runtime_pm externa a xe_live_ktest@xe_dma_buf. Cualquier kunit que acceda a la memoria debe obtener sus propias referencias externas runtime_pm ya que no usan las entradas API del controlador est\u00e1ndar. En especial este dma_buf del mismo controlador. Encontrado por CI previo a la fusi\u00f3n al agregar llamadas WARN para llamadores internos desprotegidos: &lt;6&gt; [318.639739] # xe_dma_buf_kunit: ejecutando xe_test_dmabuf_import_same_driver &lt;4&gt; [318.639957] ------------[ cortar aqu\u00ed ]-- ---------- &lt;4&gt; [318.639967] xe 0000:4d:00.0: Falta protecci\u00f3n PM de tiempo de ejecuci\u00f3n externo &lt;4&gt; [318.640049] ADVERTENCIA: CPU: 117 PID: 3832 en drivers/gpu/drm/xe /xe_pm.c:533 xe_pm_runtime_get_noresume+0x48/0x60 [xe]"}], "lastModified": "2024-07-30T13:32:45.943", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}