CVE-2024-43885

{"id": "CVE-2024-43885", "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": "2024-08-26T11:15:03.720", "references": [{"url": "https://git.kernel.org/stable/c/1a607d22dea4f60438747705495ec4d0af2ec451", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/7ba27f14161fc20c4fc0051658a22ddd832eb0aa", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8bd4c9220416111500c275546c69c63d42185793", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d924a0be2f218501588cf463d70f1c71afea06d9", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e0391e92f9ab4fb3dbdeb139c967dcfa7ac4b115", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-667"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix double inode unlock for direct IO sync writes\n\nIf we do a direct IO sync write, at btrfs_sync_file(), and we need to skip\ninode logging or we get an error starting a transaction or an error when\nflushing delalloc, we end up unlocking the inode when we shouldn't under\nthe 'out_release_extents' label, and then unlock it again at\nbtrfs_direct_write().\n\nFix that by checking if we have to skip inode unlocking under that label."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: corrige el doble desbloqueo de inodo para escrituras de sincronizaci\u00f3n de IO directa. Si realizamos una escritura de sincronizaci\u00f3n de IO directa, en btrfs_sync_file(), y necesitamos omitir el registro de inodo o obtendremos un error al iniciar una transacci\u00f3n o un error al vaciar delalloc, terminamos desbloqueando el inodo cuando no deber\u00edamos bajo la etiqueta 'out_release_extents', y luego lo desbloqueamos nuevamente en btrfs_direct_write(). Solucione eso verificando si tenemos que omitir el desbloqueo de inodos debajo de esa etiqueta."}], "lastModified": "2024-08-27T14:37:37.887", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4DEB27E7-30AA-45CC-8934-B89263EF3551"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}