{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-49428", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:08:31.569Z", "datePublished": "2025-02-26T02:12:48.149Z", "dateUpdated": "2026-05-11T18:59:37.737Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T18:59:37.737Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to do sanity check on inline_dots inode\n\nAs Wenqing reported in bugzilla:\n\nhttps://bugzilla.kernel.org/show_bug.cgi?id=215765\n\nIt will cause a kernel panic with steps:\n- mkdir mnt\n- mount tmp40.img mnt\n- ls mnt\n\nfolio_mark_dirty+0x33/0x50\nf2fs_add_regular_entry+0x541/0xad0 [f2fs]\nf2fs_add_dentry+0x6c/0xb0 [f2fs]\nf2fs_do_add_link+0x182/0x230 [f2fs]\n__recover_dot_dentries+0x2d6/0x470 [f2fs]\nf2fs_lookup+0x5af/0x6a0 [f2fs]\n__lookup_slow+0xac/0x200\nlookup_slow+0x45/0x70\nwalk_component+0x16c/0x250\npath_lookupat+0x8b/0x1f0\nfilename_lookup+0xef/0x250\nuser_path_at_empty+0x46/0x70\nvfs_statx+0x98/0x190\n__do_sys_newlstat+0x41/0x90\n__x64_sys_newlstat+0x1a/0x30\ndo_syscall_64+0x37/0xb0\nentry_SYSCALL_64_after_hwframe+0x44/0xae\n\nThe root cause is for special file: e.g. character, block, fifo or\nsocket file, f2fs doesn't assign address space operations pointer array\nfor mapping->a_ops field, so, in a fuzzed image, if inline_dots flag was\ntagged in special file, during lookup(), when f2fs runs into\n__recover_dot_dentries(), it will cause NULL pointer access once\nf2fs_add_regular_entry() calls a_ops->set_dirty_page()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/f2fs/namei.c"], "versions": [{"version": "510022a85839a8409d1e6a519bb86ce71a84f30a", "lessThan": "250e5a6be52a6b9d82fe91976c83cc158868b4e9", "status": "affected", "versionType": "git"}, {"version": "510022a85839a8409d1e6a519bb86ce71a84f30a", "lessThan": "34f48ce5d5936eea33e3b6415403e57eb84aff97", "status": "affected", "versionType": "git"}, {"version": "510022a85839a8409d1e6a519bb86ce71a84f30a", "lessThan": "2f46160d0a19b13bfe96c0dd50eed5c5d253ab7a", "status": "affected", "versionType": "git"}, {"version": "510022a85839a8409d1e6a519bb86ce71a84f30a", "lessThan": "12662d19467b391b5b509ac5e9ab4f583c6dde16", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/f2fs/namei.c"], "versions": [{"version": "4.1", "status": "affected"}, {"version": "0", "lessThan": "4.1", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.46", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.14", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.3", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "5.15.46"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "5.17.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "5.18.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1", "versionEndExcluding": "5.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/250e5a6be52a6b9d82fe91976c83cc158868b4e9"}, {"url": "https://git.kernel.org/stable/c/34f48ce5d5936eea33e3b6415403e57eb84aff97"}, {"url": "https://git.kernel.org/stable/c/2f46160d0a19b13bfe96c0dd50eed5c5d253ab7a"}, {"url": "https://git.kernel.org/stable/c/12662d19467b391b5b509ac5e9ab4f583c6dde16"}], "title": "f2fs: fix to do sanity check on inline_dots inode", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "90E4FF6F-AB0A-4194-BCDB-8284121892A2", "versionEndExcluding": "5.15.46", "versionStartIncluding": "4.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "15E2DD33-2255-4B76-9C15-04FF8CBAB252", "versionEndExcluding": "5.17.14", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8E122216-2E9E-4B3E-B7B8-D575A45BA3C2", "versionEndExcluding": "5.18.3", "versionStartIncluding": "5.18", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to do sanity check on inline_dots inode\n\nAs Wenqing reported in bugzilla:\n\nhttps://bugzilla.kernel.org/show_bug.cgi?id=215765\n\nIt will cause a kernel panic with steps:\n- mkdir mnt\n- mount tmp40.img mnt\n- ls mnt\n\nfolio_mark_dirty+0x33/0x50\nf2fs_add_regular_entry+0x541/0xad0 [f2fs]\nf2fs_add_dentry+0x6c/0xb0 [f2fs]\nf2fs_do_add_link+0x182/0x230 [f2fs]\n__recover_dot_dentries+0x2d6/0x470 [f2fs]\nf2fs_lookup+0x5af/0x6a0 [f2fs]\n__lookup_slow+0xac/0x200\nlookup_slow+0x45/0x70\nwalk_component+0x16c/0x250\npath_lookupat+0x8b/0x1f0\nfilename_lookup+0xef/0x250\nuser_path_at_empty+0x46/0x70\nvfs_statx+0x98/0x190\n__do_sys_newlstat+0x41/0x90\n__x64_sys_newlstat+0x1a/0x30\ndo_syscall_64+0x37/0xb0\nentry_SYSCALL_64_after_hwframe+0x44/0xae\n\nThe root cause is for special file: e.g. character, block, fifo or\nsocket file, f2fs doesn't assign address space operations pointer array\nfor mapping->a_ops field, so, in a fuzzed image, if inline_dots flag was\ntagged in special file, during lookup(), when f2fs runs into\n__recover_dot_dentries(), it will cause NULL pointer access once\nf2fs_add_regular_entry() calls a_ops->set_dirty_page()."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: f2fs: correcci\u00f3n para realizar una comprobaci\u00f3n de cordura en el inodo inline_dots Como inform\u00f3 Wenqing en bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=215765 Provocar\u00e1 un p\u00e1nico del kernel con los pasos: - mkdir mnt - mount tmp40.img mnt - ls mnt folio_mark_dirty+0x33/0x50 f2fs_add_regular_entry+0x541/0xad0 [f2fs] f2fs_add_dentry+0x6c/0xb0 [f2fs] f2fs_do_add_link+0x182/0x230 [f2fs] __recover_dot_dentries+0x2d6/0x470 [f2fs] f2fs_lookup+0x5af/0x6a0 [f2fs] __lookup_slow+0xac/0x200 lookup_slow+0x45/0x70 walk_component+0x16c/0x250 path_lookupat+0x8b/0x1f0 filename_lookup+0xef/0x250 user_path_at_empty+0x46/0x70 vfs_statx+0x98/0x190 __do_sys_newlstat+0x41/0x90 __x64_sys_newlstat+0x1a/0x30 do_syscall_64+0x37/0xb0 entry_SYSCALL_64_after_hwframe+0x44/0xae La causa ra\u00edz es un archivo especial: por ejemplo, un archivo de caracteres, bloques, FIFO o socket. f2fs no asigna una matriz de punteros de operaciones de espacio de direcciones para el campo mapping->a_ops, por lo que, en una imagen difusa, si el indicador inline_dots fue etiquetado en un archivo especial, durante lookup(), cuando f2fs se ejecuta en __recover_dot_dentries(), provocar\u00e1 un acceso al puntero NULL una vez que f2fs_add_regular_entry() llame a a_ops->set_dirty_page()."}], "id": "CVE-2022-49428", "lastModified": "2025-10-22T17:27:38.403", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-02-26T07:01:19.290", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/12662d19467b391b5b509ac5e9ab4f583c6dde16"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/250e5a6be52a6b9d82fe91976c83cc158868b4e9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2f46160d0a19b13bfe96c0dd50eed5c5d253ab7a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/34f48ce5d5936eea33e3b6415403e57eb84aff97"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: f2fs: fix to do sanity check on inline_dots inode", "id": "2348312", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348312"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nf2fs: fix to do sanity check on inline_dots inode\nAs Wenqing reported in bugzilla:\nhttps://bugzilla.kernel.org/show_bug.cgi?id=215765\nIt will cause a kernel panic with steps:\n- mkdir mnt\n- mount tmp40.img mnt\n- ls mnt\nfolio_mark_dirty+0x33/0x50\nf2fs_add_regular_entry+0x541/0xad0 [f2fs]\nf2fs_add_dentry+0x6c/0xb0 [f2fs]\nf2fs_do_add_link+0x182/0x230 [f2fs]\n__recover_dot_dentries+0x2d6/0x470 [f2fs]\nf2fs_lookup+0x5af/0x6a0 [f2fs]\n__lookup_slow+0xac/0x200\nlookup_slow+0x45/0x70\nwalk_component+0x16c/0x250\npath_lookupat+0x8b/0x1f0\nfilename_lookup+0xef/0x250\nuser_path_at_empty+0x46/0x70\nvfs_statx+0x98/0x190\n__do_sys_newlstat+0x41/0x90\n__x64_sys_newlstat+0x1a/0x30\ndo_syscall_64+0x37/0xb0\nentry_SYSCALL_64_after_hwframe+0x44/0xae\nThe root cause is for special file: e.g. character, block, fifo or\nsocket file, f2fs doesn't assign address space operations pointer array\nfor mapping->a_ops field, so, in a fuzzed image, if inline_dots flag was\ntagged in special file, during lookup(), when f2fs runs into\n__recover_dot_dentries(), it will cause NULL pointer access once\nf2fs_add_regular_entry() calls a_ops->set_dirty_page()."], "name": "CVE-2022-49428", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49428\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49428\nhttps://lore.kernel.org/linux-cve-announce/2025022655-CVE-2022-49428-9756@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-12T22:31:45.781609+00:00", "updated": "2025-07-12T22:31:45.781709+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}