CVE-2008-4554: Linux Kernel

Medium severity, CVSS 4.6. EPSS: 0.4% chance of exploitation in the next 30 days.

The do_splice_from function in fs/splice.c in the Linux kernel before 2.6.27 does not reject file descriptors that have the O_APPEND flag set, which allows local users to bypass append mode and make arbitrary changes to other locations in the file.

Affected products

  • Linux Linux Kernel: up to and including 2.6.26.5; version 2.2.27 only; version 2.4.36 only; version 2.4.36.1 only; version 2.4.36.2 only; version 2.4.36.3 only; …

Published 2008-10-15. Last modified 2026-06-16.