CVE-2010-3861: Canonical Ubuntu Linux

Low severity, CVSS 2.1. EPSS: 0.4% chance of exploitation in the next 30 days.

The ethtool_get_rxnfc function in net/core/ethtool.c in the Linux kernel before 2.6.36 does not initialize a certain block of heap memory, which allows local users to obtain potentially sensitive information via an ETHTOOL_GRXCLSRLALL ethtool command with a large info.rule_cnt value, a different vulnerability than CVE-2010-2478.

Affected products

• Canonical Ubuntu Linux: version 9.10 only; version 10.04 only; version 10.10 only
• Linux Linux Kernel: before 2.6.36 (fixed in 2.6.36)
• Opensuse Opensuse: version 11.2 only; version 11.3 only
• Suse Linux Enterprise Desktop: version 11 only
• Suse Linux Enterprise Real Time Extension: version 11 only
• Suse Linux Enterprise Server: version 11 only

Published 2010-12-10. Last modified 2026-06-16.