CVE-2012-0207: Linux Kernel

High severity, CVSS 7.5. EPSS: 20.3% chance of exploitation in the next 30 days.

The igmp_heard_query function in net/ipv4/igmp.c in the Linux kernel before 3.2.1 allows remote attackers to cause a denial of service (divide-by-zero error and panic) via IGMP packets.

Affected products

• Linux Linux Kernel: before 3.0.17 (fixed in 3.0.17); from 3.1, before 3.1.9 (fixed in 3.1.9); from 3.2, before 3.2.1 (fixed in 3.2.1)
• Red Hat Enterprise Linux Eus: version 5.6 only

Published 2012-05-17. Last modified 2026-06-16.