CVE-2026-31718

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...

EUVD-2026-26527

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...

CVE-2026-31718

The CVE-2026-31718 entries describe a use-after-free in ksmbd (Linux kernel in-kernel SMB3 server) triggered when a durable file handle survives a session disconnect. The root cause is an asymmetric cleanup of lock state: byte-range locks left on a freed conn->lock_list after fp->conn is nu...