CVE-2008-3535: Canonical Ubuntu Linux

Medium severity, CVSS 4.9. EPSS: 0.5% chance of exploitation in the next 30 days.

Off-by-one error in the iov_iter_advance function in mm/filemap.c in the Linux kernel before 2.6.27-rc2 allows local users to cause a denial of service (system crash) via a certain sequence of file I/O operations with readv and writev, as demonstrated by testcases/kernel/fs/ftest/ftest03 from the Linux Test Project.

Affected products

• Canonical Ubuntu Linux: version 6.06 only; version 7.10 only; version 8.04 only
• Debian Debian Linux: version 4.0 only
• Linux Linux Kernel: before 2.6.27 (fixed in 2.6.27); version 2.6.27 only

Published 2008-08-08. Last modified 2026-06-16.