CVE-2011-2942: Linux Kernel

Medium severity, CVSS 6.8. EPSS: 1.8% chance of exploitation in the next 30 days.

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 Linux Kernel: version 2.6.18 only
  • Red Hat Enterprise Linux: version 5 only

Published 2013-06-08. Last modified 2026-06-16.