CVE-2009-0342: Provos Systrace

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

Niels Provos Systrace before 1.6f on the x86_64 Linux platform allows local users to bypass intended access restrictions by making a 64-bit syscall with a syscall number that corresponds to a policy-compliant 32-bit syscall.

Affected products

• Provos Systrace: up to and including 1.6e; version 1.1 only; version 1.2 only; version 1.3 only; version 1.4 only; version 1.5 only; …

Published 2009-01-29. Last modified 2026-06-16.