{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-50346", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-16T16:03:27.882Z", "datePublished": "2025-09-16T16:11:39.179Z", "dateUpdated": "2026-05-11T19:17:45.342Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:17:45.342Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: init quota for 'old.inode' in 'ext4_rename'\n\nSyzbot found the following issue:\next4_parse_param: s_want_extra_isize=128\next4_inode_info_init: s_want_extra_isize=32\next4_rename: old.inode=ffff88823869a2c8 old.dir=ffff888238699828 new.inode=ffff88823869d7e8 new.dir=ffff888238699828\n__ext4_mark_inode_dirty: inode=ffff888238699828 ea_isize=32 want_ea_size=128\n__ext4_mark_inode_dirty: inode=ffff88823869a2c8 ea_isize=32 want_ea_size=128\next4_xattr_block_set: inode=ffff88823869a2c8\n------------[ cut here ]------------\nWARNING: CPU: 13 PID: 2234 at fs/ext4/xattr.c:2070 ext4_xattr_block_set.cold+0x22/0x980\nModules linked in:\nRIP: 0010:ext4_xattr_block_set.cold+0x22/0x980\nRSP: 0018:ffff888227d3f3b0 EFLAGS: 00010202\nRAX: 0000000000000001 RBX: ffff88823007a000 RCX: 0000000000000000\nRDX: 0000000000000a03 RSI: 0000000000000040 RDI: ffff888230078178\nRBP: 0000000000000000 R08: 000000000000002c R09: ffffed1075c7df8e\nR10: ffff8883ae3efc6b R11: ffffed1075c7df8d R12: 0000000000000000\nR13: ffff88823869a2c8 R14: ffff8881012e0460 R15: dffffc0000000000\nFS: 00007f350ac1f740(0000) GS:ffff8883ae200000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f350a6ed6a0 CR3: 0000000237456000 CR4: 00000000000006e0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \n ? ext4_xattr_set_entry+0x3b7/0x2320\n ? ext4_xattr_block_set+0x0/0x2020\n ? ext4_xattr_set_entry+0x0/0x2320\n ? ext4_xattr_check_entries+0x77/0x310\n ? ext4_xattr_ibody_set+0x23b/0x340\n ext4_xattr_move_to_block+0x594/0x720\n ext4_expand_extra_isize_ea+0x59a/0x10f0\n __ext4_expand_extra_isize+0x278/0x3f0\n __ext4_mark_inode_dirty.cold+0x347/0x410\n ext4_rename+0xed3/0x174f\n vfs_rename+0x13a7/0x2510\n do_renameat2+0x55d/0x920\n __x64_sys_rename+0x7d/0xb0\n do_syscall_64+0x3b/0xa0\n entry_SYSCALL_64_after_hwframe+0x72/0xdc\n\nAs 'ext4_rename' will modify 'old.inode' ctime and mark inode dirty,\nwhich may trigger expand 'extra_isize' and allocate block. If inode\ndidn't init quota will lead to warning. To solve above issue, init\n'old.inode' firstly in 'ext4_rename'." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/ext4/namei.c" ], "versions": [ { "version": "6dd4ee7cab7e3a17c571aebd444f4344c8c4946e", "lessThan": "67f6d5a4043f3db0c6bb0e14a0d97a7be8bfb8b5", "status": "affected", "versionType": "git" }, { "version": "6dd4ee7cab7e3a17c571aebd444f4344c8c4946e", "lessThan": "33fd7031d634f3b46e59f61adfbb0ea9fe514fef", "status": "affected", "versionType": "git" }, { "version": "6dd4ee7cab7e3a17c571aebd444f4344c8c4946e", "lessThan": "7dfb8259f66faafa68d23a261b284d2c2c67649b", "status": "affected", "versionType": "git" }, { "version": "6dd4ee7cab7e3a17c571aebd444f4344c8c4946e", "lessThan": "f263e349bacc2f303526dcfa61c4bc50132418b1", "status": "affected", "versionType": "git" }, { "version": "6dd4ee7cab7e3a17c571aebd444f4344c8c4946e", "lessThan": "84a2f2ed49d6a4d92b354219077434c57d334620", "status": "affected", "versionType": "git" }, { "version": "6dd4ee7cab7e3a17c571aebd444f4344c8c4946e", "lessThan": "def7a39091e60e1c4a2f623629082a00092602be", "status": "affected", "versionType": "git" }, { "version": "6dd4ee7cab7e3a17c571aebd444f4344c8c4946e", "lessThan": "135ba9146f4d38abed48a540ef8a8770ff0bd34f", "status": "affected", "versionType": "git" }, { "version": "6dd4ee7cab7e3a17c571aebd444f4344c8c4946e", "lessThan": "13271fbbe85d73a7c47058f56a52f2a7f00d6e39", "status": "affected", "versionType": "git" }, { "version": "6dd4ee7cab7e3a17c571aebd444f4344c8c4946e", "lessThan": "fae381a3d79bb94aa2eb752170d47458d778b797", "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/ext4/namei.c" ], "versions": [ { "version": "2.6.23", "status": "affected" }, { "version": "0", "lessThan": "2.6.23", "status": "unaffected", "versionType": "semver" }, { "version": "4.9.337", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.303", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.270", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.229", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.163", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.87", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.0.18", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.4", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.2", "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": "2.6.23", "versionEndExcluding": "4.9.337" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "4.14.303" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "4.19.270" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "5.4.229" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "5.10.163" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "5.15.87" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "6.0.18" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "6.1.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "6.2" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/67f6d5a4043f3db0c6bb0e14a0d97a7be8bfb8b5" }, { "url": "https://git.kernel.org/stable/c/33fd7031d634f3b46e59f61adfbb0ea9fe514fef" }, { "url": "https://git.kernel.org/stable/c/7dfb8259f66faafa68d23a261b284d2c2c67649b" }, { "url": "https://git.kernel.org/stable/c/f263e349bacc2f303526dcfa61c4bc50132418b1" }, { "url": "https://git.kernel.org/stable/c/84a2f2ed49d6a4d92b354219077434c57d334620" }, { "url": "https://git.kernel.org/stable/c/def7a39091e60e1c4a2f623629082a00092602be" }, { "url": "https://git.kernel.org/stable/c/135ba9146f4d38abed48a540ef8a8770ff0bd34f" }, { "url": "https://git.kernel.org/stable/c/13271fbbe85d73a7c47058f56a52f2a7f00d6e39" }, { "url": "https://git.kernel.org/stable/c/fae381a3d79bb94aa2eb752170d47458d778b797" } ], "title": "ext4: init quota for 'old.inode' in 'ext4_rename'", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "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" } }, { "other": { "type": "ssvc", "content": { "id": "CVE-2022-50346", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2026-01-14T18:20:55.614076Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-908", "description": "CWE-908 Use of Uninitialized Resource" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-14T18:22:58.321Z" } } ] } }