CVE Database


Impact: Moderate
Public: 2012-01-10
Bugzilla: 772867: CVE-2012-0207 kernel: igmp: Avoid zero delay when receiving odd mixture of IGMP queries
IAVA: 2012-A-0153


The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2012-0207 from the MITRE CVE dictionary and NIST NVD.


This issue did not affect the Linux kernel as shipped with Red Hat Enterprise Linux 4 as it did not backport the upstream commit 5b7c8406.

CVSS v2 metrics

Base Score: 6.1
Base Metrics: AV:A/AC:L/Au:N/C:N/I:N/A:C
Access Vector: Adjacent Network
Access Complexity: Low
Authentication: None
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2012:0333 February 23, 2012
RHEV Hypervisor for RHEL-5 (rhev-hypervisor5) RHSA-2012:0168 February 21, 2012
RHEV Hypervisor for RHEL-6 (rhev-hypervisor6) RHSA-2012:0422 March 26, 2012
Red Hat Enterprise Linux version 5 (kernel) RHSA-2012:0107 February 09, 2012
Red Hat Enterprise Linux version 6 (kernel) RHSA-2012:0350 March 06, 2012

External References


Red Hat would like to thank Simon McVittie for reporting this issue.

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.