286 lines
14 KiB
JSON
286 lines
14 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-93269",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-09-17T16:02:15.097Z",
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"datePublished": "2026-09-24T15:52:09.047Z",
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"dateUpdated": "2026-10-30T12:36:36.458Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-10-30T12:36:36.458Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix circular lock dependency in ext4_ext_migrate\n\nMove iput(tmp_inode) after ext4_writepages_up_write() to avoid a\ncircular lock dependency between s_writepages_rwsem and sb_internal\n(freeze protection).\n\nThe deadlock scenario:\n\n CPU0 (EXT4_IOC_MIGRATE) CPU1 (orphan cleanup during mount)\n ---- ----\n ext4_ext_migrate()\n ext4_writepages_down_write()\n s_writepages_rwsem (write)\n ext4_evict_inode()\n sb_start_intwrite() [sb_internal]\n ...\n ext4_writepages()\n s_writepages_rwsem (read) [BLOCKED]\n iput(tmp_inode)\n ext4_evict_inode()\n sb_start_intwrite() [BLOCKED]\n\nThe tmp_inode is a temporary inode with nlink=0 created solely for\nbuilding the extent tree. Its eviction does not require\ns_writepages_rwsem protection, so deferring iput() until after\nreleasing the rwsem is safe."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"fs/ext4/migrate.c"
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],
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"versions": [
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{
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"version": "cb85f4d23f794e24127f3e562cb3b54b0803f456",
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"lessThan": "f204882d5eaca09f7848f081c9c9b5bbf2234895",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "cb85f4d23f794e24127f3e562cb3b54b0803f456",
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"lessThan": "452950461241dfed8b1d32e94b227db38c99c5af",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "cb85f4d23f794e24127f3e562cb3b54b0803f456",
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"lessThan": "ada23457d4748d6e9c36c6f871fc29a6f558c48c",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "cb85f4d23f794e24127f3e562cb3b54b0803f456",
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"lessThan": "e4223231b6860141813637a6413c2371ae4d6fa8",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "cb85f4d23f794e24127f3e562cb3b54b0803f456",
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"lessThan": "32f7ab52875ec7f800ca67e7176e5743a84baddf",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "cb85f4d23f794e24127f3e562cb3b54b0803f456",
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"lessThan": "a897682793eba5de51ee6f3152760374afa629cf",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "eb799e163dc2bc1ea0a4820b66f79d32a5e907df",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "bcc1eab71a67c46b9e24544ac7923f44444174ce",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "8cf20fb73e73a4c4df0328b5297842c5ef34fdd9",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e5d25003d059649e18a249635ed5ca7a7b1de5ad",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "69f8a7991fd93c49096ddd11574db3e7df238b7b",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "4.9.215",
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"lessThan": "4.10",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.14.172",
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"lessThan": "4.15",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.19.107",
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"lessThan": "4.20",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.4.23",
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"lessThan": "5.5",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.5.7",
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"lessThan": "5.6",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"fs/ext4/migrate.c"
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],
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"versions": [
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{
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"version": "5.6",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.6",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.191",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.157",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.110",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.52",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.2.6",
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"lessThanOrEqual": "7.2.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.3",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.6",
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"versionEndExcluding": "6.1.191"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.6",
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"versionEndExcluding": "6.6.157"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.6",
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"versionEndExcluding": "6.12.110"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.6",
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"versionEndExcluding": "6.18.52"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.6",
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"versionEndExcluding": "7.2.6"
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.6",
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"versionEndExcluding": "7.3"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.9.215"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.14.172"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.19.107"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.4.23"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.5.7"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/f204882d5eaca09f7848f081c9c9b5bbf2234895"
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},
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{
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"url": "https://git.kernel.org/stable/c/452950461241dfed8b1d32e94b227db38c99c5af"
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},
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{
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"url": "https://git.kernel.org/stable/c/ada23457d4748d6e9c36c6f871fc29a6f558c48c"
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},
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{
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"url": "https://git.kernel.org/stable/c/e4223231b6860141813637a6413c2371ae4d6fa8"
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},
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{
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"url": "https://git.kernel.org/stable/c/32f7ab52875ec7f800ca67e7176e5743a84baddf"
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},
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{
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"url": "https://git.kernel.org/stable/c/a897682793eba5de51ee6f3152760374afa629cf"
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}
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],
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"title": "ext4: fix circular lock dependency in ext4_ext_migrate",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |