CVE-2011-0709

Name: CVE-2011-0709
Creator: NVD / NIST
Published: 2011-02-18T20:00:09.167+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 4.00%

Last modified Jun 16, 2026

CVE-2011-0709 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The br_mdb_ip_get function in net/bridge/br_multicast.c in the Linux kernel before 2.6.35-rc5 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via an IGMP packet, related to lack of a multicast table.. EPSS estimates a 4.00% chance of exploitation in the next 30 days.

Description

The br_mdb_ip_get function in net/bridge/br_multicast.c in the Linux kernel before 2.6.35-rc5 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via an IGMP packet, related to lack of a multicast table.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

4.00%

89.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 2.6.34.7
Linux	Linux Kernel	2.6.35

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7f285fa78d4b81b8458f05e77fb6b46245121b4e
http://openwall.com/lists/oss-security/2011/02/16/1Mailing List, Patch, Third Party Advisory
http://openwall.com/lists/oss-security/2011/02/16/14Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/02/16/8Mailing List, Patch, Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.35/ChangeLog-2.6.35-rc5Broken Link
http://www.securityfocus.com/bid/41432Third Party Advisory, VDB Entry
http://www.spinics.net/lists/netdev/msg134414.htmlExploit, Mailing List, Third Party Advisory
http://www.spinics.net/lists/netdev/msg134444.htmlMailing List, Patch, Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7f285fa78d4b81b8458f05e77fb6b46245121b4e
http://openwall.com/lists/oss-security/2011/02/16/1Mailing List, Patch, Third Party Advisory
http://openwall.com/lists/oss-security/2011/02/16/14Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/02/16/8Mailing List, Patch, Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.35/ChangeLog-2.6.35-rc5Broken Link
http://www.securityfocus.com/bid/41432Third Party Advisory, VDB Entry
http://www.spinics.net/lists/netdev/msg134414.htmlExploit, Mailing List, Third Party Advisory
http://www.spinics.net/lists/netdev/msg134444.htmlMailing List, Patch, Third Party Advisory

Timeline

Published: Feb 18, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-0709?

How severe is CVE-2011-0709?

CVE-2011-0709 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.00% probability of exploitation in the next 30 days.

How do I fix CVE-2011-0709?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-0709?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST