CVE-2011-1767: Linux Kernel

Medium severity, CVSS 5.4. EPSS: 2.8% chance of exploitation in the next 30 days.

net/ipv4/ip_gre.c in the Linux kernel before 2.6.34, when ip_gre is configured as a module, allows remote attackers to cause a denial of service (OOPS) by sending a packet during module loading.

Affected products

• Linux Linux Kernel: up to and including 2.6.33.20; version 2.6.33 only; version 2.6.33.1 only; version 2.6.33.2 only; version 2.6.33.3 only; version 2.6.33.4 only; …

Published 2012-06-13. Last modified 2026-06-16.