CVE-2011-2942

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-06-08 · updated 2026-06-16

Description

A certain Red Hat patch to the __br_deliver function in net/bridge/br_forward.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging connectivity to a network interface that uses an Ethernet bridge device.

Affected products

Linux kernel: 2.6.18
Red Hat Enterprise Linux: 5

References

http://www.openwall.com/lists/oss-security/2011/10/24/3
https://bugzilla.redhat.com/show_bug.cgi?id=730917
http://www.openwall.com/lists/oss-security/2011/10/24/3
https://bugzilla.redhat.com/show_bug.cgi?id=730917

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