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CVE-2026-90152

Unknown

Last modified

CVE-2026-90152 is a vulnerability of currently unknown severity. 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..

Description

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.

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= f5c779b7ddbda30866cf2a27c63e34158f858c73, < 03a22a003f41b182245e6c71fe565e277cff7094; >= f5c779b7ddbda30866cf2a27c63e34158f858c73, < b967a595fb735d313a8676b2ca6a4cba38506482; >= f5c779b7ddbda30866cf2a27c63e34158f858c73, < 55c677619084f9c9fa4146d933cc8ccafc924c87; >= f5c779b7ddbda30866cf2a27c63e34158f858c73, < 99b25b046e47e4904373cfeb445c5483f1633d88; 708c304b583d789957399dd8237f212cf8ad1e4d; f623f627ad2b1dc215ab3b0df53fb05cfd3a1c3b; d270631c21e68fb8016d6e231d022d7023a2df6f; 02f41d88f15d6b7d523e52cc3f87488f57e9265b; >= 5.15.145, < 5.16; >= 6.1.29, < 6.2; >= 6.2.16, < 6.3; >= 6.3.2, < 6.4
LinuxLinux6.4

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-90152?
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.
How severe is CVE-2026-90152?
Severity scoring for CVE-2026-90152 is pending analysis.
How do I fix CVE-2026-90152?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST