{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98172","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:25:14.322Z","datePublished":"2026-10-06T08:44:16.721Z","dateUpdated":"2026-10-06T08:44:16.721Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-06T08:44:16.721Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix smbd_connection leak on cifs_get_tcp_session() error\n\nWhen an RDMA connection is successfully established via\nsmbd_get_connection() but cifs_get_tcp_session() later fails (e.g.\nkthread_create() returns an error), the error path frees tcp_ses\nwithout first destroying the smbd_connection.\n\nFix this by calling smbd_destroy() in the out_err cleanup path before\nkfree(tcp_ses).  smbd_destroy() safely handles the case where\nsmbd_conn is NULL, so it can be called unconditionally."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/connect.c"],"versions":[{"version":"2f8946464b11822169b9f10c7cf58a2440b51d54","lessThan":"3164402c58940ff58a3cecdb026405f07b0253af","status":"affected","versionType":"git"},{"version":"2f8946464b11822169b9f10c7cf58a2440b51d54","lessThan":"e3344bb0ff5ec8a276f42239e140f5442841ef23","status":"affected","versionType":"git"},{"version":"2f8946464b11822169b9f10c7cf58a2440b51d54","lessThan":"5c908e49d349266dff0c86dda6a05df0ff19b824","status":"affected","versionType":"git"},{"version":"2f8946464b11822169b9f10c7cf58a2440b51d54","lessThan":"928edc4bd6a617caabeb575fc13c254d9df623c4","status":"affected","versionType":"git"},{"version":"2f8946464b11822169b9f10c7cf58a2440b51d54","lessThan":"b26a3fcf2f1c2cadba400290b639f01395db8fc8","status":"affected","versionType":"git"},{"version":"2f8946464b11822169b9f10c7cf58a2440b51d54","lessThan":"e75c96157d45e498970158c8f7373d90102e33b9","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/connect.c"],"versions":[{"version":"4.16","status":"affected"},{"version":"0","lessThan":"4.16","status":"unaffected","versionType":"semver"},{"version":"6.1.189","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.158","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.112","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.54","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.8","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc4","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":"4.16","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.18.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"7.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"7.3-rc4"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3164402c58940ff58a3cecdb026405f07b0253af"},{"url":"https://git.kernel.org/stable/c/e3344bb0ff5ec8a276f42239e140f5442841ef23"},{"url":"https://git.kernel.org/stable/c/5c908e49d349266dff0c86dda6a05df0ff19b824"},{"url":"https://git.kernel.org/stable/c/928edc4bd6a617caabeb575fc13c254d9df623c4"},{"url":"https://git.kernel.org/stable/c/b26a3fcf2f1c2cadba400290b639f01395db8fc8"},{"url":"https://git.kernel.org/stable/c/e75c96157d45e498970158c8f7373d90102e33b9"}],"title":"smb: client: fix smbd_connection leak on cifs_get_tcp_session() error","x_generator":{"engine":"bippy-1.2.0"}}}}