{ "id": "CVE-2024-49914", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-10-21T18:15:13.723", "lastModified": "2024-12-09T13:10:05.087", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Add null check for pipe_ctx->plane_state in dcn20_program_pipe\n\nThis commit addresses a null pointer dereference issue in the\n`dcn20_program_pipe` function. The issue could occur when\n`pipe_ctx->plane_state` is null.\n\nThe fix adds a check to ensure `pipe_ctx->plane_state` is not null\nbefore accessing. This prevents a null pointer dereference.\n\nReported by smatch:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn20/dcn20_hwseq.c:1925 dcn20_program_pipe() error: we previously assumed 'pipe_ctx->plane_state' could be null (see line 1877)" }, { "lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: Agregar comprobaci\u00f3n NULL para pipe_ctx->plane_state en dcn20_program_pipe Esta confirmaci\u00f3n soluciona un problema de desreferencia de puntero nulo en la funci\u00f3n `dcn20_program_pipe`. El problema podr\u00eda ocurrir cuando `pipe_ctx->plane_state` es nulo. La correcci\u00f3n agrega una comprobaci\u00f3n para garantizar que `pipe_ctx->plane_state` no sea nulo antes de acceder. Esto evita una desreferencia de puntero nulo. Reportado por smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn20/dcn20_hwseq.c:1925 Error de dcn20_program_pipe(): anteriormente asumimos que 'pipe_ctx->plane_state' podr\u00eda ser nulo (consulte la l\u00ednea 1877)" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.11.3", "matchCriteriaId": "6D5FF9C2-A011-4A64-B614-F9244ED2EA0D" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/65a6fee22d5cfa645cb05489892dc9cd3d142fc2", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/68f75e6f08aad66069a629db8d7840919156c761", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/8e4ed3cf1642df0c4456443d865cff61a9598aa8", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] } ] }