CVE-2024-49908

{"id": "CVE-2024-49908", "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": "2024-10-21T18:15:13.290", "references": [{"url": "https://git.kernel.org/stable/c/0fe20258b4989b9112b5e9470df33a0939403fd4", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a742168b6a39ead257da53bcbe472384d6e14a1b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Add null check for 'afb' in amdgpu_dm_update_cursor (v2)\n\nThis commit adds a null check for the 'afb' variable in the\namdgpu_dm_update_cursor function. Previously, 'afb' was assumed to be\nnull at line 8388, but was used later in the code without a null check.\nThis could potentially lead to a null pointer dereference.\n\nChanges since v1:\n- Moved the null check for 'afb' to the line where 'afb' is used. (Alex)\n\nFixes the below:\ndrivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:8433 amdgpu_dm_update_cursor()\n\terror: we previously assumed 'afb' could be null (see line 8388)"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: Agregar comprobaci\u00f3n NULL para 'afb' en amdgpu_dm_update_cursor (v2) Esta confirmaci\u00f3n agrega una comprobaci\u00f3n NULL para la variable 'afb' en la funci\u00f3n amdgpu_dm_update_cursor. Anteriormente, se supon\u00eda que 'afb' era nulo en la l\u00ednea 8388, pero se us\u00f3 m\u00e1s adelante en el c\u00f3digo sin una comprobaci\u00f3n NULL. Esto podr\u00eda conducir potencialmente a una desreferencia de puntero nulo. Cambios desde la v1: - Se movi\u00f3 la comprobaci\u00f3n NULL para 'afb' a la l\u00ednea donde se usa 'afb'. (Alex) Corrige lo siguiente: drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:8433 Error de amdgpu_dm_update_cursor(): anteriormente asumimos que 'afb' podr\u00eda ser nulo (consulte la l\u00ednea 8388)"}], "lastModified": "2024-10-24T03:42:50.683", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6D5FF9C2-A011-4A64-B614-F9244ED2EA0D", "versionEndExcluding": "6.11.3"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}