CVE-2024-53235

{"id": "CVE-2024-53235", "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": "2024-12-27T14:15:31.900", "references": [{"url": "https://git.kernel.org/stable/c/3a23787ca8756920d65fda39f41353a4be1d1642", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5036f2f024cac40a02ea6ea70de2c3a4407d16bc", "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\nerofs: fix file-backed mounts over FUSE\n\nsyzbot reported a null-ptr-deref in fuse_read_args_fill:\n fuse_read_folio+0xb0/0x100 fs/fuse/file.c:905\n filemap_read_folio+0xc6/0x2a0 mm/filemap.c:2367\n do_read_cache_folio+0x263/0x5c0 mm/filemap.c:3825\n read_mapping_folio include/linux/pagemap.h:1011 [inline]\n erofs_bread+0x34d/0x7e0 fs/erofs/data.c:41\n erofs_read_superblock fs/erofs/super.c:281 [inline]\n erofs_fc_fill_super+0x2b9/0x2500 fs/erofs/super.c:625\n\nUnlike most filesystems, some network filesystems and FUSE need\nunavoidable valid `file` pointers for their read I/Os [1].\nAnyway, those use cases need to be supported too.\n\n[1] https://docs.kernel.org/filesystems/vfs.html"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: erofs: se corrigen los montajes respaldados por archivos sobre FUSE syzbot inform\u00f3 de un null-ptr-deref en fuse_read_args_fill: fuse_read_folio+0xb0/0x100 fs/fuse/file.c:905 filemap_read_folio+0xc6/0x2a0 mm/filemap.c:2367 do_read_cache_folio+0x263/0x5c0 mm/filemap.c:3825 read_mapping_folio include/linux/pagemap.h:1011 [en l\u00ednea] erofs_bread+0x34d/0x7e0 fs/erofs/data.c:41 erofs_read_superblock fs/erofs/super.c:281 [en l\u00ednea] erofs_fc_fill_super+0x2b9/0x2500 fs/erofs/super.c:625 A diferencia de la mayor\u00eda de los sistemas de archivos, algunos sistemas de archivos de red y FUSE necesitan punteros de `archivo` v\u00e1lidos e inevitables para sus E/S de lectura [1]. De todos modos, esos casos de uso tambi\u00e9n deben ser compatibles. [1] https://docs.kernel.org/filesystems/vfs.html"}], "lastModified": "2025-01-07T16:02:48.350", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D8882B1B-2ABC-4838-AC1D-DBDBB5764776", "versionEndExcluding": "6.12.2", "versionStartIncluding": "6.12"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}