{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2026-98162","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2026-09-25T14:17:27.887","lastModified":"2026-10-21T13:21:24.797","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: fix tree connection leak in smb2_tree_connect()\n\nSee the procedure below:\n\n  smb2_tree_connect\n    ksmbd_tree_conn_connect\n      xa_store(\u0026sess-\u003etree_conns, tree_conn-\u003eid, tree_conn)\n      ksmbd_counter_inc(KSMBD_COUNTER_TREE_CONNS)\n      ksmbd_share_tree_conn_inc(sc)\n    ksmbd_iov_pin_rsp // fail\n    status.ret = KSMBD_TREE_CONN_STATUS_NOMEM\n    // do not disconnect tree_conn\n\nDisconnect the new tree connection if ksmbd_iov_pin_rsp() fails."}],"affected":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","affectedData":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["fs/smb/server/smb2pdu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d","lessThan":"fa0c45986fc60b3edfb35879f2fb0eacc0e49e98","versionType":"git","status":"affected"},{"version":"e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d","lessThan":"fea9c705bbc618ba6426424c9f8330555820c9ec","versionType":"git","status":"affected"},{"version":"e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d","lessThan":"a6c88e5e3a75f1e4a98ad4bc4037465ccd7925bc","versionType":"git","status":"affected"},{"version":"e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d","lessThan":"39f2032096715daae5f6fd0f587ca7a474b019df","versionType":"git","status":"affected"},{"version":"f2283680a80571ca82d710bc6ecd8f8beac67d63","versionType":"git","status":"affected"},{"version":"9f297df20d93411c0b4ddad7f88ba04a7cd36e77","versionType":"git","status":"affected"},{"version":"5.15.145","lessThan":"5.16","versionType":"semver","status":"affected"},{"version":"6.1.71","lessThan":"6.2","versionType":"semver","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["fs/smb/server/smb2pdu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"6.6","status":"affected"},{"version":"0","lessThan":"6.6","versionType":"semver","status":"unaffected"},{"version":"6.6.160","lessThanOrEqual":"6.6.*","versionType":"semver","status":"unaffected"},{"version":"6.18.57","lessThanOrEqual":"6.18.*","versionType":"semver","status":"unaffected"},{"version":"7.2.6","lessThanOrEqual":"7.2.*","versionType":"semver","status":"unaffected"},{"version":"7.3","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-401"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.145","versionEndExcluding":"5.16","matchCriteriaId":"B98C9201-BF17-4E2C-84FF-75EE2AA94DC5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.71","versionEndExcluding":"6.2","matchCriteriaId":"163E72B5-0F5D-49E2-AAEA-F11E02D730AD"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.2.6","matchCriteriaId":"E981DC2A-E9FB-4932-A793-314FCAD5CB2F"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/39f2032096715daae5f6fd0f587ca7a474b019df","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/a6c88e5e3a75f1e4a98ad4bc4037465ccd7925bc","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/fa0c45986fc60b3edfb35879f2fb0eacc0e49e98","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fea9c705bbc618ba6426424c9f8330555820c9ec","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}]}}