CVE-2026-72243
In the Linux kernel, the following vulnerability has been resolved: selinux: check connect-related permissions on TCP Fast Open Similar to Landlock, SELinux was not updated when TCP Fast Open support was introduced to ensure connect-related permissions are checked when using TCP Fast Open. Update its socket_sendmsg() hook to call selinux_socket_connect() when MSG_FASTOPEN is passed.
- Published Aug 15, 2026
- CVSS 8.4 high
- 0.2% chance of exploitation in the next 30 days (EPSS)
- A fix is available