CVE-2023-53002

{"id": "CVE-2023-53002", "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": "2025-03-27T17:15:49.050", "references": [{"url": "https://git.kernel.org/stable/c/0220e4fe178c3390eb0291cdb34912d66972db8a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/0bdc4b4ba7206c452ee81c82fa66e39d0e1780fb", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915: Fix a memory leak with reused mmap_offset\n\ndrm_vma_node_allow() and drm_vma_node_revoke() should be called in\nbalanced pairs. We call drm_vma_node_allow() once per-file everytime a\nuser calls mmap_offset, but only call drm_vma_node_revoke once per-file\non each mmap_offset. As the mmap_offset is reused by the client, the\nper-file vm_count may remain non-zero and the rbtree leaked.\n\nCall drm_vma_node_allow_once() instead to prevent that memory leak."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/i915: Se solucion\u00f3 una fuga de memoria con la reutilizaci\u00f3n de mmap_offset. drm_vma_node_allow() y drm_vma_node_revoke() deben llamarse en pares equilibrados. Se llama a drm_vma_node_allow() una vez por archivo cada vez que un usuario llama a mmap_offset, pero solo se llama a drm_vma_node_revoke una vez por archivo en cada mmap_offset. Dado que el cliente reutiliza mmap_offset, el valor de vm_count por archivo puede ser distinto de cero y el \u00e1rbol rb se filtra. En su lugar, se llama a drm_vma_node_allow_once() para evitar esta fuga de memoria."}], "lastModified": "2025-04-14T20:52:28.503", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C989BC04-67C6-4C21-BD03-48657AD16FFC", "versionEndExcluding": "6.1.9", "versionStartIncluding": "5.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FF501633-2F44-4913-A8EE-B021929F49F6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2BDA597B-CAC1-4DF0-86F0-42E142C654E9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "725C78C9-12CE-406F-ABE8-0813A01D66E8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A127C155-689C-4F67-B146-44A57F4BFD85"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D34127CC-68F5-4703-A5F6-5006F803E4AE"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}