{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54280","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-30T12:06:44.525Z","datePublished":"2025-12-30T12:23:22.335Z","dateUpdated":"2026-05-11T19:58:55.233Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:58:55.233Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: fix potential race when tree connecting ipc\n\nProtect access of TCP_Server_Info::hostname when building the ipc tree\nname as it might get freed in cifsd thread and thus causing an\nuse-after-free bug in __tree_connect_dfs_target().  Also, while at it,\nupdate status of IPC tcon on success and then avoid any extra tree\nconnects."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/cifs/dfs.c"],"versions":[{"version":"c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e","lessThan":"536ec71ba060a02fabe8e22cecb82fe7b3a8708b","status":"affected","versionType":"git"},{"version":"c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e","lessThan":"553476df55a111e6a66ad9155256aec0ec1b7ad0","status":"affected","versionType":"git"},{"version":"c88f7dcd6d6429197fc2fd87b54a894ffcd48e8e","lessThan":"ee20d7c6100752eaf2409d783f4f1449c29ea33d","status":"affected","versionType":"git"},{"version":"81d583baa5f1abd73c755ce1992929debd20b687","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/cifs/dfs.c"],"versions":[{"version":"5.16","status":"affected"},{"version":"0","lessThan":"5.16","status":"unaffected","versionType":"semver"},{"version":"6.2.15","lessThanOrEqual":"6.2.*","status":"unaffected","versionType":"semver"},{"version":"6.3.2","lessThanOrEqual":"6.3.*","status":"unaffected","versionType":"semver"},{"version":"6.4","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":"5.16","versionEndExcluding":"6.2.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.3.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.81"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/536ec71ba060a02fabe8e22cecb82fe7b3a8708b"},{"url":"https://git.kernel.org/stable/c/553476df55a111e6a66ad9155256aec0ec1b7ad0"},{"url":"https://git.kernel.org/stable/c/ee20d7c6100752eaf2409d783f4f1449c29ea33d"}],"title":"cifs: fix potential race when tree connecting ipc","x_generator":{"engine":"bippy-1.2.0"}}}}