{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54076","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-24T12:21:05.093Z","datePublished":"2025-12-24T12:23:18.330Z","dateUpdated":"2026-05-11T19:55:00.764Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:55:00.764Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix missed ses refcounting\n\nUse new cifs_smb_ses_inc_refcount() helper to get an active reference\nof @ses and @ses->dfs_root_ses (if set).  This will prevent\n@ses->dfs_root_ses of being put in the next call to cifs_put_smb_ses()\nand thus potentially causing an use-after-free bug."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/dfs.c","fs/smb/client/smb2transport.c"],"versions":[{"version":"8e3554150d6c80a84b3cb046615d1a0e943811dc","lessThan":"eb382196e6f6e05cfafdab797840e5a96c6e7bf0","status":"affected","versionType":"git"},{"version":"8e3554150d6c80a84b3cb046615d1a0e943811dc","lessThan":"bf99f6be2d20146942bce6f9e90a0ceef12cbc1e","status":"affected","versionType":"git"},{"version":"f30d226bcc9f0e2d97b4a6e94c43a28148fbeab6","status":"affected","versionType":"git"},{"version":"c082c3be0f96e759ff2e361d929832fda0b93851","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/dfs.c","fs/smb/client/smb2transport.c"],"versions":[{"version":"6.4","status":"affected"},{"version":"0","lessThan":"6.4","status":"unaffected","versionType":"semver"},{"version":"6.4.7","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":"6.4","versionEndExcluding":"6.4.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/eb382196e6f6e05cfafdab797840e5a96c6e7bf0"},{"url":"https://git.kernel.org/stable/c/bf99f6be2d20146942bce6f9e90a0ceef12cbc1e"}],"title":"smb: client: fix missed ses refcounting","x_generator":{"engine":"bippy-1.2.0"}}}}