198 lines
8.5 KiB
JSON
198 lines
8.5 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-2026-23223",
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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": "2026-01-13T15:37:45.987Z",
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"datePublished": "2026-02-18T14:53:26.603Z",
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"dateUpdated": "2026-11-05T21:23:22.930Z"
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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": "2026-05-11T22:02:42.267Z"
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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\nxfs: fix UAF in xchk_btree_check_block_owner\n\nWe cannot dereference bs->cur when trying to determine if bs->cur\naliases bs->sc->sa.{bno,rmap}_cur after the latter has been freed.\nFix this by sampling before type before any freeing could happen.\nThe correct temporal ordering was broken when we removed xfs_btnum_t."
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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/xfs/scrub/btree.c"
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],
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"versions": [
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{
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"version": "ec793e690f801d97a7ae2a0d429fea1fee4d44aa",
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"lessThan": "1d411278dda293a507cb794db7d9ed3511c685c6",
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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": "ec793e690f801d97a7ae2a0d429fea1fee4d44aa",
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"lessThan": "ed82e7949f5cac3058f4100f3cd670531d41a266",
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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": "ec793e690f801d97a7ae2a0d429fea1fee4d44aa",
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"lessThan": "ba5264610423d9653aa36920520902d83841bcfd",
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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": "ec793e690f801d97a7ae2a0d429fea1fee4d44aa",
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"lessThan": "1c253e11225bc5167217897885b85093e17c2217",
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"status": "affected",
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"versionType": "git"
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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/xfs/scrub/btree.c"
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],
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"versions": [
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{
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"version": "6.9",
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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": "6.9",
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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": "6.12.72",
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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": "6.18.11",
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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": "6.19.1",
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"lessThanOrEqual": "6.19.*",
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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": "7.0",
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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": "6.9",
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"versionEndExcluding": "6.12.72"
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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": "6.9",
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"versionEndExcluding": "6.18.11"
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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": "6.9",
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"versionEndExcluding": "6.19.1"
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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": "6.9",
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"versionEndExcluding": "7.0"
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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/1d411278dda293a507cb794db7d9ed3511c685c6"
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},
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{
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"url": "https://git.kernel.org/stable/c/ed82e7949f5cac3058f4100f3cd670531d41a266"
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},
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{
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"url": "https://git.kernel.org/stable/c/ba5264610423d9653aa36920520902d83841bcfd"
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},
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{
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"url": "https://git.kernel.org/stable/c/1c253e11225bc5167217897885b85093e17c2217"
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}
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],
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"title": "xfs: fix UAF in xchk_btree_check_block_owner",
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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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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2026-23223",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-11-05T21:22:45.786541Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-11-05T21:23:22.930Z"
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}
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}
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]
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}
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} |