CVE-2012-2744: Linux Kernel

High severity, CVSS 7.8. EPSS: 4.5% chance of exploitation in the next 30 days.

net/ipv6/netfilter/nf_conntrack_reasm.c in the Linux kernel before 2.6.34, when the nf_conntrack_ipv6 module is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via certain types of fragmented IPv6 packets.

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 2012-08-09. Last modified 2026-06-16.