CVE-2026-90152

CVE CVE-2026-90152EUVD EUVD-2026-81745Published 2026-09-17T16:06:45.000Z

What the advisory describes

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix session leak in ksmbd_session_register() See the procedure below: smb2_sess_setup ksmbd_smb2_session_create __session_create atomic_set(&sess->refcnt, 2) hash_add(sessions_table, &sess->hlist, sess->id) ksmbd_session_register xa_store(&conn->sessions, sess->id, sess) // fail ksmbd_user_session_put atomic_dec(&sess->refcnt) // refcnt is 1, session is not freed Remove the session from sessions_table and drop its table reference if xa_store() fails.

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Linux — Linux f5c779b7ddbda30866cf2a27c63e34158f858c73 <b967a595fb735d313a8676b2ca6a4cba38506482; patch: 7.3-rc1; f5c779b7ddbda30866cf2a27c63e34158f858c73 <99b25b046e47e4904373cfeb445c5483f1633d88; d270631c21e68fb8016d6e231d022d7023a2df6f; f623f627ad2b1dc215ab3b0df53fb05cfd3a1c3b; 6.4; f5c779b7ddbda30866cf2a27c63e34158f858c73 <03a22a003f41b182245e6c71fe565e277cff7094; 5.15.145 <5.16; 02f41d88f15d6b7d523e52cc3f87488f57e9265b; patch: 0; 6.2.16 <6.3; 6.1.29 <6.2; patch: 6.18.52; patch: 6.12.110; 6.3.2 <6.4; 708c304b583d789957399dd8237f212cf8ad1e4d; patch: 7.2.6; f5c779b7ddbda30866cf2a27c63e34158f858c73 <55c677619084f9c9fa4146d933cc8ccafc924c87

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

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Linux — Linux

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