2024-07-14 02:06:08 +00:00

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{
"id": "CVE-2024-27041",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-05-01T13:15:49.647",
"lastModified": "2024-05-01T19:50:25.633",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: fix NULL checks for adev->dm.dc in amdgpu_dm_fini()\n\nSince 'adev->dm.dc' in amdgpu_dm_fini() might turn out to be NULL\nbefore the call to dc_enable_dmub_notifications(), check\nbeforehand to ensure there will not be a possible NULL-ptr-deref\nthere.\n\nAlso, since commit 1e88eb1b2c25 (\"drm/amd/display: Drop\nCONFIG_DRM_AMD_DC_HDCP\") there are two separate checks for NULL in\n'adev->dm.dc' before dc_deinit_callbacks() and dc_dmub_srv_destroy().\nClean up by combining them all under one 'if'.\n\nFound by Linux Verification Center (linuxtesting.org) with static\nanalysis tool SVACE."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: corrige comprobaciones NULL para adev->dm.dc en amdgpu_dm_fini() Dado que 'adev->dm.dc' en amdgpu_dm_fini() podr\u00eda resultar ser NULL antes de llamar a dc_enable_dmub_notifications(), verifique de antemano para asegurarse de que no habr\u00e1 un posible NULL-ptr-deref all\u00ed. Adem\u00e1s, desde la confirmaci\u00f3n 1e88eb1b2c25 (\"drm/amd/display: Drop CONFIG_DRM_AMD_DC_HDCP\") hay dos comprobaciones separadas para NULL en 'adev->dm.dc' antes de dc_deinit_callbacks() y dc_dmub_srv_destroy(). Limpia combin\u00e1ndolos todos bajo un solo \"si\". Encontrado por el Centro de verificaci\u00f3n de Linux (linuxtesting.org) con la herramienta de an\u00e1lisis est\u00e1tico SVACE."
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/1c62697e4086de988b31124fb8c79c244ea05f2b",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/2a3cfb9a24a28da9cc13d2c525a76548865e182c",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/ca2eb375db76fd50f31afdd67d6ca4f833254957",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/e040f1fbe9abae91b12b074cfc3bbb5367b79811",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}