| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "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" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2022-49428", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
