Security Advisory

CVE-2026-72243

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-15 05:54:31

Last updated 2026-08-18 06:56:32

Assigner Linux

CVSS score 8.4

State PUBLISHED

Description

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.

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