{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53373","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-09-17T14:54:09.734Z","datePublished":"2025-09-18T13:33:20.264Z","dateUpdated":"2026-05-11T19:43:41.770Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:43:41.770Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: seqiv - Handle EBUSY correctly\n\nAs it is seqiv only handles the special return value of EINPROGERSS,\nwhich means that in all other cases it will free data related to the\nrequest.\n\nHowever, as the caller of seqiv may specify MAY_BACKLOG, we also need\nto expect EBUSY and treat it in the same way.  Otherwise backlogged\nrequests will trigger a use-after-free."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["crypto/seqiv.c"],"versions":[{"version":"0a270321dbf948963aeb0e8382fe17d2c2eb3771","lessThan":"cc4d0d4251748a8a68026938f4055d2ac47c5719","status":"affected","versionType":"git"},{"version":"0a270321dbf948963aeb0e8382fe17d2c2eb3771","lessThan":"1effbddaff60eeef8017c6dea1ee0ed970164d14","status":"affected","versionType":"git"},{"version":"0a270321dbf948963aeb0e8382fe17d2c2eb3771","lessThan":"63551e4b7cbcd9914258827699eb2cb6ed6e4a16","status":"affected","versionType":"git"},{"version":"0a270321dbf948963aeb0e8382fe17d2c2eb3771","lessThan":"ae849d2f48019ff9c104e32bf588ccbfb200e971","status":"affected","versionType":"git"},{"version":"0a270321dbf948963aeb0e8382fe17d2c2eb3771","lessThan":"36ec108b7bd7e280edb22de028467bd09d644620","status":"affected","versionType":"git"},{"version":"0a270321dbf948963aeb0e8382fe17d2c2eb3771","lessThan":"4d497e8b200a175094e0ac252ed878add39b8771","status":"affected","versionType":"git"},{"version":"0a270321dbf948963aeb0e8382fe17d2c2eb3771","lessThan":"9477db935eb690f697d9bcc4f608927841bc8b36","status":"affected","versionType":"git"},{"version":"0a270321dbf948963aeb0e8382fe17d2c2eb3771","lessThan":"32e62025e5e52fbe4812ef044759de7010b15dbc","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["crypto/seqiv.c"],"versions":[{"version":"2.6.25","status":"affected"},{"version":"0","lessThan":"2.6.25","status":"unaffected","versionType":"semver"},{"version":"4.14.308","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.276","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.235","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.173","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.99","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.16","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.2.3","lessThanOrEqual":"6.2.*","status":"unaffected","versionType":"semver"},{"version":"6.3","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":"2.6.25","versionEndExcluding":"4.14.308"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"4.19.276"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"5.4.235"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"5.10.173"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"5.15.99"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"6.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"6.2.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"6.3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/cc4d0d4251748a8a68026938f4055d2ac47c5719"},{"url":"https://git.kernel.org/stable/c/1effbddaff60eeef8017c6dea1ee0ed970164d14"},{"url":"https://git.kernel.org/stable/c/63551e4b7cbcd9914258827699eb2cb6ed6e4a16"},{"url":"https://git.kernel.org/stable/c/ae849d2f48019ff9c104e32bf588ccbfb200e971"},{"url":"https://git.kernel.org/stable/c/36ec108b7bd7e280edb22de028467bd09d644620"},{"url":"https://git.kernel.org/stable/c/4d497e8b200a175094e0ac252ed878add39b8771"},{"url":"https://git.kernel.org/stable/c/9477db935eb690f697d9bcc4f608927841bc8b36"},{"url":"https://git.kernel.org/stable/c/32e62025e5e52fbe4812ef044759de7010b15dbc"}],"title":"crypto: seqiv - Handle EBUSY correctly","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2023-53373","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-01-14T18:54:09.278191Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-416","description":"CWE-416 Use After Free"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-01-14T19:03:03.132Z"}}]}}