ksmbd: fix racy issue under cocurrent smb2 tree disconnect
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix racy issue under cocurrent smb2 tree disconnect There is UAF issue under cocurrent smb2 tree disconnect. This patch introduce TREE_CONN_EXPIRE flags for tcon to avoid cocurrent access.
Severity high: primary CNA CVSS 8.8 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2025-09-17T14:56:48.812Z. Updated 2026-08-05T09:13:38.694Z.