{ "id": "CVE-2024-43903", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-08-26T11:15:04.793", "lastModified": "2024-08-27T13:39:48.683", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Add NULL check for 'afb' before dereferencing in amdgpu_dm_plane_handle_cursor_update\n\nThis commit adds a null check for the 'afb' variable in the\namdgpu_dm_plane_handle_cursor_update function. Previously, 'afb' was\nassumed to be null, but was used later in the code without a null check.\nThis could potentially lead to a null pointer dereference.\n\nFixes the below:\ndrivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_plane.c:1298 amdgpu_dm_plane_handle_cursor_update() error: we previously assumed 'afb' could be null (see line 1252)" }, { "lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: drm/amd/display: agregue una verificaci\u00f3n NULL para 'afb' antes de eliminar la referencia en amdgpu_dm_plane_handle_cursor_update. Esta confirmaci\u00f3n agrega una verificaci\u00f3n nula para la variable 'afb' en la funci\u00f3n amdgpu_dm_plane_handle_cursor_update. Anteriormente, se supon\u00eda que 'afb' era nulo, pero se us\u00f3 m\u00e1s adelante en el c\u00f3digo sin una verificaci\u00f3n de nulo. Potencialmente, esto podr\u00eda conducir a una desreferencia del puntero nulo. Corrige lo siguiente: drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_plane.c:1298 error amdgpu_dm_plane_handle_cursor_update(): anteriormente asumimos que 'afb' podr\u00eda ser nulo (consulte la l\u00ednea 1252)" } ], "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", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "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": "6.1.105", "matchCriteriaId": "ECB889E5-9368-4201-9049-7289757A0B8D" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.6.46", "matchCriteriaId": "FA11941E-81FB-484C-B583-881EEB488340" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.10.5", "matchCriteriaId": "D074AE50-4A5E-499C-A2FD-75FD60DEA560" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/31a679a880102dee6e10985a7b1789af8dc328cc", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/38e6f715b02b572f74677eb2f29d3b4bc6f1ddff", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/94220b35aeba2b68da81deeefbb784d94eeb5c04", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/ce5d090af683137cb779ed7e3683839f9c778b35", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] } ] }