CVE-2024-49916

{"id": "CVE-2024-49916", "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": "2024-10-21T18:15:13.877", "references": [{"url": "https://git.kernel.org/stable/c/4b6377f0e96085cbec96eb7f0b282430ccdd3d75", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ac1c41e318074d8a9ea925787e366be15d7645e8", "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 clk_mgr and clk_mgr->funcs in dcn401_init_hw\n\nThis commit addresses a potential null pointer dereference issue in the\n`dcn401_init_hw` function. The issue could occur when `dc->clk_mgr` or\n`dc->clk_mgr->funcs` is null.\n\nThe fix adds a check to ensure `dc->clk_mgr` and `dc->clk_mgr->funcs` is\nnot null before accessing its functions. This prevents a potential null\npointer dereference.\n\nReported by smatch:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn401/dcn401_hwseq.c:416 dcn401_init_hw() error: we previously assumed 'dc->clk_mgr' could be null (see line 225)"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: Agregar comprobaci\u00f3n NULL para clk_mgr y clk_mgr->funcs en dcn401_init_hw Esta confirmaci\u00f3n soluciona un posible problema de desreferencia de puntero nulo en la funci\u00f3n `dcn401_init_hw`. El problema podr\u00eda ocurrir cuando `dc->clk_mgr` o `dc->clk_mgr->funcs` es nulo. La correcci\u00f3n agrega una comprobaci\u00f3n para garantizar que `dc->clk_mgr` y `dc->clk_mgr->funcs` no sean nulos antes de acceder a sus funciones. Esto evita una posible desreferencia de puntero nulo. Reportado por smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn401/dcn401_hwseq.c:416 Error dcn401_init_hw(): previamente asumimos que 'dc->clk_mgr' podr\u00eda ser nulo (ver l\u00ednea 225)"}], "lastModified": "2024-10-24T17:03:19.457", "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"}