CVE-2026-64523

Linux Kernel: Mehrere Schwachstellen

Debian Linux, Amazon Linux 2, Nutanix AOS, Red Hat Enterprise Linux, IBM QRadar SIEM, Red Hat OpenShift, Nutanix Prism…

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Take a long-lived file reference at submit handshake_nl_accept_doit() needs the file pointer backing req->hr_sk->sk_socket to survive the window between handshake_req_next() and the subsequent FD_PREPARE() and get_file(). The submit-side sock_hold() does not provide that. sk_refcnt keeps struct sock alive, but struct socket is owned by sock->file: when the consumer fputs the last file…

25. Jul 2026

Ausgewertete Quellen

• CERT-Bund
  WID-SEC-2026-2527
• NVD
  CVE-2026-64523