CVE-2026-89635

CVE-2026-89635 affects the ksmbd SMB server in the Linux kernel . In ksmbd_reopen_durable_fd(), the loop that rebinds detached oplocks during a durable reconnect keys only on op->conn == NULL, causing a reconnecting session to adopt an oplock belonging to a different session on the same inode....

EUVD-2026-76547

In the Linux kernel, the following vulnerability has been resolved: ksmbd: only rebind the reopened file's own oplock on durable reconnect ksmbdreopendurablefd walks the inode's moplist and rebinds every detached oplock to the reconnecting session: listforeachentryrcuop, &ci-moplist, opentry,...