CVE-2011-0709

Summary

CVECVE-2011-0709
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2011-02-18 20:00:09 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

Problem Types: CWE-476 | n/a


VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary7.8AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:N/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel 2.6.35 - All All
Operating System Linux Linux Kernel 2.6.35 rc1 All All
Operating System Linux Linux Kernel 2.6.35 rc2 All All
Operating System Linux Linux Kernel 2.6.35 rc3 All All
Operating System Linux Linux Kernel 2.6.35 rc4 All All
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Re: bridge br_multicast: BUG: unable to handle kernel NULL pointer dereference — Netdev af854a3a-2127-422b-91ae-364da2661108 www.spinics.net Mailing List, Patch, Third Party Advisory
oss-security - Re: CVE request - kernel: bridge br_multicast NULL pointer dereference af854a3a-2127-422b-91ae-364da2661108 openwall.com Mailing List, Patch, Third Party Advisory
bridge br_multicast: BUG: unable to handle kernel NULL pointer dereference — Linux Network Development af854a3a-2127-422b-91ae-364da2661108 www.spinics.net Exploit, Mailing List, Third Party Advisory
404: File not found af854a3a-2127-422b-91ae-364da2661108 www.kernel.org Broken Link
Linux Kernel 'br_multicast.c' Bridge NULL Pointer Dereference Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
oss-security - Re: CVE request - kernel: bridge br_multicast NULL pointer dereference af854a3a-2127-422b-91ae-364da2661108 openwall.com Mailing List, Third Party Advisory
oss-security - CVE request - kernel: bridge br_multicast NULL pointer dereference af854a3a-2127-422b-91ae-364da2661108 openwall.com Mailing List, Patch, Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org
kernel/git/torvalds/linux.git - Linux kernel source tree MITRE git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report