CVE-2026-53271

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix NULL-deref of opinfo-conn in oplock/lease break notifiers smb2oplockbreaknoti and smb2leasebreaknoti read opinfo-conn into a local with neither READONCE nor a NULL check. Both run from oplockbreak after opinfogetlist h...

CVE-2025-39720

CVE-2025-39720 affects the ksmbd component in the Linux kernel. The issue is a refcount leak in ksmbd_conn_releasing(opinfo->conn): when it returns true, the refcount was not decremented, preventing memory from being released. The vulnerability has CVSS indicators with a MEDIUM/LOCAL attack ve...