CVE-2011-0709

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-02-18 · updated 2026-06-16
Weakness: CWE-476

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.

Affected products

Linux kernel: through 2.6.34.7; 2.6.35, 2.6.35-rc1, 2.6.35-rc2, 2.6.35-rc3, 2.6.35-rc4

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7f285fa78d4b81b8458f05e77fb6b46245121b4e
http://openwall.com/lists/oss-security/2011/02/16/1
http://openwall.com/lists/oss-security/2011/02/16/14
http://openwall.com/lists/oss-security/2011/02/16/8
http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.35/ChangeLog-2.6.35-rc5
http://www.securityfocus.com/bid/41432
http://www.spinics.net/lists/netdev/msg134414.html
http://www.spinics.net/lists/netdev/msg134444.html
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7f285fa78d4b81b8458f05e77fb6b46245121b4e
http://openwall.com/lists/oss-security/2011/02/16/1
http://openwall.com/lists/oss-security/2011/02/16/14
http://openwall.com/lists/oss-security/2011/02/16/8

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