CVE-2010-2066: Canonical Ubuntu Linux

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

The mext_check_arguments function in fs/ext4/move_extent.c in the Linux kernel before 2.6.35 allows local users to overwrite an append-only file via a MOVE_EXT ioctl call that specifies this file as a donor.

Affected products

• Canonical Ubuntu Linux: version 6.06 only; version 8.04 only; version 9.04 only; version 9.10 only; version 10.04 only; version 10.10 only
• Linux Linux Kernel: before 2.6.35 (fixed in 2.6.35)
• Suse Linux Enterprise High Availability Extension: version 11 only
• Suse Suse Linux Enterprise Desktop: version 11 only
• Suse Suse Linux Enterprise Server: version 11 only
• VMware Esx: version 4.0 only; version 4.1 only

Published 2010-09-08. Last modified 2026-06-16.