CVE-2026-49426

The FreeBSD kernel is vulnerable to a flaw in the audit(4) facility when handling system calls executed via ptrace(2) with the PT_SC_REMOTE operation. The kernel incorrectly passes the return value of an internal setup function to AUDIT_SYSCALL_EXIT() instead of the actual system call result. Con...

CVE-2026-49426 Incorrect audit records for ptrace(2) syscall requests

When auditing a system call executed via ptracePTSCREMOTE, the kernel passed the return value of an internal setup function to AUDITSYSCALLEXIT rather than the actual result of the executed system call. As a result, committed audit records for system calls which returned an error do not reflect t...

FreeBSD-SA-26:45.audit

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:45.audit Security Advisory The FreeBSD Project Topic: Incorrect audit records for ptrace2 syscall requests Category: core Module: audit Announced: 2026-06-30...