{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53794","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-08T23:58:35.274Z","datePublished":"2025-12-09T00:00:51.061Z","dateUpdated":"2026-05-11T19:51:39.268Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:51:39.268Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: fix session state check in reconnect to avoid use-after-free issue\n\nDon't collect exiting session in smb2_reconnect_server(), because it\nwill be released soon.\n\nNote that the exiting session will stay in server->smb_ses_list until\nit complete the cifs_free_ipc() and logoff() and then delete itself\nfrom the list."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/smb2pdu.c"],"versions":[{"version":"4fcd1813e6404dd4420c7d12fb483f9320f0bf93","lessThan":"7e4f5c3f01fb0e51ca438e43262d858daf9a0a76","status":"affected","versionType":"git"},{"version":"4fcd1813e6404dd4420c7d12fb483f9320f0bf93","lessThan":"759ffc164d95a32c09528766d74d9b4fb054e8f4","status":"affected","versionType":"git"},{"version":"4fcd1813e6404dd4420c7d12fb483f9320f0bf93","lessThan":"99f280700b4cc02d5f141b8d15f8e9fad0418f65","status":"affected","versionType":"git"},{"version":"655e0c067f0e02ece03fd0591dabe3db2ae27552","status":"affected","versionType":"git"},{"version":"875cc09c0767a4ac06b57af383709657f98b3ea1","status":"affected","versionType":"git"},{"version":"599fe1409085059ba12a2c3897c853be9fa9e7cf","status":"affected","versionType":"git"},{"version":"2e4378ee60049b752c9dce16f62ce6fbd11b379a","status":"affected","versionType":"git"},{"version":"59b520454b323ec43b2ae757217332cea33091e0","status":"affected","versionType":"git"},{"version":"e20c888e2b3576e5f498c167729d274ef60b86f8","status":"affected","versionType":"git"},{"version":"4ce7aa4e44d88ce64ea8ae2337b8910f3670b0ba","status":"affected","versionType":"git"},{"version":"419fad68e4c4135ff9859e9214dd6cf954413ca1","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/smb/client/smb2pdu.c"],"versions":[{"version":"4.7","status":"affected"},{"version":"0","lessThan":"4.7","status":"unaffected","versionType":"semver"},{"version":"6.1.47","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.4.12","lessThanOrEqual":"6.4.*","status":"unaffected","versionType":"semver"},{"version":"6.5","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":"4.7","versionEndExcluding":"6.1.47"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.4.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10.103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.12.63"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.14.74"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16.37"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.18.37"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1.28"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6.5"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/7e4f5c3f01fb0e51ca438e43262d858daf9a0a76"},{"url":"https://git.kernel.org/stable/c/759ffc164d95a32c09528766d74d9b4fb054e8f4"},{"url":"https://git.kernel.org/stable/c/99f280700b4cc02d5f141b8d15f8e9fad0418f65"}],"title":"cifs: fix session state check in reconnect to avoid use-after-free issue","x_generator":{"engine":"bippy-1.2.0"}}}}