CVE-2009-0835: Linux Kernel

Low severity, CVSS 3.6. EPSS: 0.9% chance of exploitation in the next 30 days.

The __secure_computing function in kernel/seccomp.c in the seccomp subsystem in the Linux kernel 2.6.28.7 and earlier on the x86_64 platform, when CONFIG_SECCOMP is enabled, does not properly handle (1) a 32-bit process making a 64-bit syscall or (2) a 64-bit process making a 32-bit syscall, which allows local users to bypass intended access restrictions via crafted syscalls that are misinterpreted as (a) stat or (b) chmod, a related issue to CVE-2009-0342 and CVE-2009-0343.

Affected products

• Linux Linux Kernel: version 2.6.25 only; version 2.6.25.1 only; version 2.6.25.2 only; version 2.6.25.3 only; version 2.6.25.4 only; version 2.6.25.5 only; …

Published 2009-03-06. Last modified 2026-06-16.