CVE-2026-45256

When used to deliver a signal to a specific thread, thrkill22 called pcansignal to determine whether the operation was permitted but did not check the result before delivering the signal. The signal was sent even when the permission check failed. The system call returned the resulting error to th...

FreeBSD-SA-26:25.thr

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:25.thr Security Advisory The FreeBSD Project Topic: Missing permission check in thrkill22 Category: core Module: thr Announced: 2026-06-09 Credits: Yuxiang...