CVE-2026-72243 — selinux: check connect-related permissions on TCP Fast Open
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 wh…
Published: 2026-08-15 · CVSS: 8.4 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7