248 lines
12 KiB
JSON
248 lines
12 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-2023-53826",
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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": "2025-12-09T01:27:17.824Z",
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"datePublished": "2025-12-09T01:29:39.679Z",
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"dateUpdated": "2026-05-11T19:52:16.903Z"
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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": "2026-05-11T19:52:16.903Z"
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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\nubi: Fix UAF wear-leveling entry in eraseblk_count_seq_show()\n\nWear-leveling entry could be freed in error path, which may be accessed\nagain in eraseblk_count_seq_show(), for example:\n\n__erase_worker eraseblk_count_seq_show\n wl = ubi->lookuptbl[*block_number]\n\t\t\t\tif (wl)\n wl_entry_destroy\n ubi->lookuptbl[e->pnum] = NULL\n kmem_cache_free(ubi_wl_entry_slab, e)\n\t\t erase_count = wl->ec // UAF!\n\nWear-leveling entry updating/accessing in ubi->lookuptbl should be\nprotected by ubi->wl_lock, fix it by adding ubi->wl_lock to serialize\nwl entry accessing between wl_entry_destroy() and\neraseblk_count_seq_show().\n\nFetch a reproducer in [Link]."
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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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"drivers/mtd/ubi/wl.c"
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],
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"versions": [
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{
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"version": "801c135ce73d5df1caf3eca35b66a10824ae0707",
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"lessThan": "3f9b63dfce44a7c3c095dd93d910408e07ab1845",
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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": "801c135ce73d5df1caf3eca35b66a10824ae0707",
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"lessThan": "84250da1c63cb7d421a3b4812b5c2ce2e47d31a1",
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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": "801c135ce73d5df1caf3eca35b66a10824ae0707",
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"lessThan": "1cb14c06d6035539ef4215c4ba0871aea71d7c38",
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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": "801c135ce73d5df1caf3eca35b66a10824ae0707",
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"lessThan": "9d448dd6bcb61a508204b57ea1f454ba9bac2f24",
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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": "801c135ce73d5df1caf3eca35b66a10824ae0707",
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"lessThan": "79548ccdd992707879b4b683b7251c58ddf26f12",
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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": "801c135ce73d5df1caf3eca35b66a10824ae0707",
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"lessThan": "84253f3c2dad6be10d30c92626c763d9a9f512ad",
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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": "801c135ce73d5df1caf3eca35b66a10824ae0707",
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"lessThan": "a100de2974d208cfca032179b02ed4d1a0a7f143",
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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": "801c135ce73d5df1caf3eca35b66a10824ae0707",
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"lessThan": "a240bc5c43130c6aa50831d7caaa02a1d84e1bce",
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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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"drivers/mtd/ubi/wl.c"
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],
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"versions": [
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{
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"version": "2.6.22",
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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": "2.6.22",
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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": "4.14.308",
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"lessThanOrEqual": "4.14.*",
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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": "4.19.276",
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"lessThanOrEqual": "4.19.*",
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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": "5.4.235",
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"lessThanOrEqual": "5.4.*",
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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": "5.10.173",
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"lessThanOrEqual": "5.10.*",
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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": "5.15.100",
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"lessThanOrEqual": "5.15.*",
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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": "6.1.18",
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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": "6.2.5",
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"lessThanOrEqual": "6.2.*",
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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": "6.3",
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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": "2.6.22",
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"versionEndExcluding": "4.14.308"
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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": "2.6.22",
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"versionEndExcluding": "4.19.276"
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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": "2.6.22",
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"versionEndExcluding": "5.4.235"
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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": "2.6.22",
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"versionEndExcluding": "5.10.173"
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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": "2.6.22",
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"versionEndExcluding": "5.15.100"
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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": "2.6.22",
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"versionEndExcluding": "6.1.18"
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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": "2.6.22",
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"versionEndExcluding": "6.2.5"
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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": "2.6.22",
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"versionEndExcluding": "6.3"
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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/3f9b63dfce44a7c3c095dd93d910408e07ab1845"
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},
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{
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"url": "https://git.kernel.org/stable/c/84250da1c63cb7d421a3b4812b5c2ce2e47d31a1"
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},
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{
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"url": "https://git.kernel.org/stable/c/1cb14c06d6035539ef4215c4ba0871aea71d7c38"
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},
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{
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"url": "https://git.kernel.org/stable/c/9d448dd6bcb61a508204b57ea1f454ba9bac2f24"
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},
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{
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"url": "https://git.kernel.org/stable/c/79548ccdd992707879b4b683b7251c58ddf26f12"
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},
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{
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"url": "https://git.kernel.org/stable/c/84253f3c2dad6be10d30c92626c763d9a9f512ad"
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},
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{
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"url": "https://git.kernel.org/stable/c/a100de2974d208cfca032179b02ed4d1a0a7f143"
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},
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{
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"url": "https://git.kernel.org/stable/c/a240bc5c43130c6aa50831d7caaa02a1d84e1bce"
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}
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],
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"title": "ubi: Fix UAF wear-leveling entry in eraseblk_count_seq_show()",
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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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} |