CVE-2011-0709

The br_mdb_ip_get function in net/bridge/br_multicast.c in the Linux kernel before 2.6.35-rc5...

7.5 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

4.00%Up 2.6 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2011-0709
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness: CWE-476
Updated: 2026-11-02

CVE List No score

Record: CVE-2011-0709
Updated: 2026-11-02

EUVDEUVD-2011-0724 No score

Record: EUVD-2011-0724
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xg76-3pjj-pf64 7.5

The br_mdb_ip_get function in net/bridge/br_multicast.c in the Linux kernel before 2.6.35-rc5...

Record: GHSA-xg76-3pjj-pf64
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-476
Updated: 2026-11-02

Affected products

linux kernel

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-0709 is a high vulnerability (CVSS 7.5) in Linux Kernel, published February 18, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.00%, the 90th percentile. No source names a fixed version.

References

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