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CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-90152

smb/server: fix session leak in ksmbd_session_register()

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Status
Published
Published
Updated
Assigning organization
Linux

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • f5c779b7ddbda30866cf2a27c63e34158f858c73 to < 988f99bfddda4e2d1da5f6e98b237dd85e123ceeaffected
  • f5c779b7ddbda30866cf2a27c63e34158f858c73 to < 03a22a003f41b182245e6c71fe565e277cff7094affected
  • f5c779b7ddbda30866cf2a27c63e34158f858c73 to < b967a595fb735d313a8676b2ca6a4cba38506482affected
  • f5c779b7ddbda30866cf2a27c63e34158f858c73 to < 55c677619084f9c9fa4146d933cc8ccafc924c87affected
  • f5c779b7ddbda30866cf2a27c63e34158f858c73 to < 99b25b046e47e4904373cfeb445c5483f1633d88affected
  • 708c304b583d789957399dd8237f212cf8ad1e4daffected
  • f623f627ad2b1dc215ab3b0df53fb05cfd3a1c3baffected
  • d270631c21e68fb8016d6e231d022d7023a2df6faffected
  • 02f41d88f15d6b7d523e52cc3f87488f57e9265baffected
  • 5.15.145 to < 5.16affected
  • 6.1.29 to < 6.2affected
  • 6.2.16 to < 6.3affected
  • 6.3.2 to < 6.4affected

Linux Linux

Default version status: affected

  • 6.4affected
  • 0 to < 6.4unaffected
  • 6.6.160 to ≤ 6.6.*unaffected
  • 6.12.110 to ≤ 6.12.*unaffected
  • 6.18.52 to ≤ 6.18.*unaffected
  • 7.2.6 to ≤ 7.2.*unaffected
  • 7.3 to ≤ *unaffected

References