{"id":"CVE-2026-90163","state":"PUBLISHED","title":"smb/server: call ksmbd_proc_cleanup() on module init failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: call ksmbd_proc_cleanup() on module init failure\n\nWhen a later initializer fails, the unwind chain releases resources\ncreated after procfs and then jumps directly to class_unregister().\nReturning an error from module_init() leaves the proc tree and its\nper-CPU counters allocated.","publishedAt":"2026-09-17T16:06:53.809Z","updatedAt":"2026-10-19T08:59:01.754Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b38f99c1217ae04753340f0fdcd8f35bf56841dc","status":"affected","lessThan":"7d2cd9269b570347e6e2dd24d4b3c1da868bc91d","versionType":"git"},{"version":"b38f99c1217ae04753340f0fdcd8f35bf56841dc","status":"affected","lessThan":"f43cbe3b58ce989ce420c3bc875d48e7754c8aba","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/server.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.0","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/server.c"]}],"references":["https://git.kernel.org/stable/c/7d2cd9269b570347e6e2dd24d4b3c1da868bc91d","https://git.kernel.org/stable/c/f43cbe3b58ce989ce420c3bc875d48e7754c8aba"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90163.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90163","state":"PUBLISHED","datePublished":"2026-09-17T16:06:53.809Z","dateUpdated":"2026-10-19T08:59:01.754Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.790Z"},"containers":{"cna":{"title":"smb/server: call ksmbd_proc_cleanup() on module init failure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: call ksmbd_proc_cleanup() on module init failure\n\nWhen a later initializer fails, the unwind chain releases resources\ncreated after procfs and then jumps directly to class_unregister().\nReturning an error from module_init() leaves the proc tree and its\nper-CPU counters allocated."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b38f99c1217ae04753340f0fdcd8f35bf56841dc","status":"affected","lessThan":"7d2cd9269b570347e6e2dd24d4b3c1da868bc91d","versionType":"git"},{"version":"b38f99c1217ae04753340f0fdcd8f35bf56841dc","status":"affected","lessThan":"f43cbe3b58ce989ce420c3bc875d48e7754c8aba","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/server.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.0","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/server.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/7d2cd9269b570347e6e2dd24d4b3c1da868bc91d"},{"url":"https://git.kernel.org/stable/c/f43cbe3b58ce989ce420c3bc875d48e7754c8aba"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:59:01.754Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}