CVE-2011-2942

CVE-2011-2942 describes a denial-of-service vulnerability in a specific Red Hat patch for the Linux kernel 2.6.18 on Red Hat Enterprise Linux 5, affecting the br_deliver function in net/bridge/br_forward.c. This flaw allows remote attackers to trigger a NULL pointer dereference, leading to a system crash, or potentially other unspecified impacts, by interacting with a network interface utilizing an Ethernet bridge. With a CVSS score of 6.8, this vulnerability is of medium severity, indicating a network-based attack with medium complexity that could result in partial confidentiality, integrity, and availability compromise. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.