CVE-2026-64016

CVE-2026-64016 : In the Linux kernel, the ksmbd durable reconnect path could mismanage file objects when a later error path occurred after a successful durable reconnect. Specifically, ksmbd_reopen_durable_fd() republished the same ksmbd_file into the session volatile-id table, and if smb2_open()...

CVE-2026-31718 ksmbd: fix use-after-free in __ksmbd_close_fd() via durable scavenger

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbdclosefd via durable scavenger When a durable file handle survives session disconnect TCP close without SMB2LOGOFF, sessionfdcheck sets fp-conn = NULL to preserve the handle for later reconnection...

PT-2026-36348

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the ksmbd module of the Linux kernel. When a durable file handle persists after a session disconnect TCP close without SMB2 LOGOFF, the session fd check...