CVE-2010-2537: Canonical Ubuntu Linux

High severity, CVSS 7.1. EPSS: 0.4% chance of exploitation in the next 30 days.

The btrfs_ioctl_clone function in fs/btrfs/ioctl.c in the Linux kernel before 2.6.35 allows local users to overwrite an append-only file via a (1) BTRFS_IOC_CLONE or (2) BTRFS_IOC_CLONE_RANGE ioctl call that specifies this file as a donor.

Affected products

• Canonical Ubuntu Linux: 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

Published 2010-09-30. Last modified 2026-06-16.