CVE-2010-4164: Debian Linux

High severity, CVSS 7.8. EPSS: 4.3% chance of exploitation in the next 30 days.

Multiple integer underflows in the x25_parse_facilities function in net/x25/x25_facilities.c in the Linux kernel before 2.6.36.2 allow remote attackers to cause a denial of service (system crash) via malformed X.25 (1) X25_FAC_CLASS_A, (2) X25_FAC_CLASS_B, (3) X25_FAC_CLASS_C, or (4) X25_FAC_CLASS_D facility data, a different vulnerability than CVE-2010-3873.

Affected products

• Debian Debian Linux: version 5.0 only
• Linux Linux Kernel: before 2.6.36.2 (fixed in 2.6.36.2)
• Opensuse Opensuse: version 11.2 only; version 11.3 only
• Suse Linux Enterprise Desktop: version 10 only; version 11 only
• Suse Linux Enterprise Real Time Extension: version 11 only
• Suse Linux Enterprise Server: version 9 only; version 10 only; version 11 only
• Suse Linux Enterprise Software Development Kit: version 10 only

Published 2011-01-03. Last modified 2026-06-16.