CVE-2011-2534: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Buffer overflow in the clusterip_proc_write function in net/ipv4/netfilter/ipt_CLUSTERIP.c in the Linux kernel before 2.6.39 might allow local users to cause a denial of service or have unspecified other impact via a crafted write operation, related to string data that lacks a terminating '\0' character.

Affected products

• Linux Linux Kernel: before 2.6.39 (fixed in 2.6.39)

Published 2011-06-22. Last modified 2026-06-16.