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.

Package Linux Kernel
Published 2026-09-17
Last modified 2026-09-17
Patch available
Yes

Affected versions

Linux kernel versions 5.15.145, 6.1.29, 6.2.16, 6.3.2, 6.4 and later are affected. Fixed in 6.12.110, 6.18.52, 7.2.6, 7.3-rc1 and their respective stable series.

Affected from
≥ 5.15.145 ≥ 6.1.29 ≥ 6.2.16 ≥ 6.3.2 ≥ 6.4
Fixed in
✓ 6.12.110 6.12.x ✓ 6.18.52 6.18.x ✓ 7.2.6 7.2.x ✓ 7.3-rc1

References

4 total

Frequently asked questions

  • What is CVE-2026-90152?

    CVE-2026-90152 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.15.145 onward and has been patched in 6.12.110, 6.18.52, 7.2.6 and others. CVE-2026-90152 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-90152?

    Yes. CVE-2026-90152 has been patched. Fixed versions include 6.12.110, 6.18.52, 7.2.6 and others. If you are running Linux kernel 5.15.145 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-90152 actively exploited?

    No. CVE-2026-90152 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Back to
All CVEs
View on
NVD / NIST