CVE-2026-64523

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Take a long-lived file reference at submit handshakenlacceptdoit needs the file pointer backing req-hrsk-sksocket to survive the window between handshakereqnext and the subsequent FDPREPARE and getfile. The...

CVE-2026-64523

The CVE-2026-64523 issue in the Linux kernel affects net/handshake handling during handshake submission. The root cause is that a long-lived file reference backing req->hr_sk->sk_socket may be torn down before FD_PREPARE()/get_file() due to the submit-side sock_hold() not keeping the socket...