CVE-2011-2918: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.9% chance of exploitation in the next 30 days.

The Performance Events subsystem in the Linux kernel before 3.1 does not properly handle event overflows associated with PERF_COUNT_SW_CPU_CLOCK events, which allows local users to cause a denial of service (system hang) via a crafted application.

Affected products

• Linux Linux Kernel: before 3.1 (fixed in 3.1)

Published 2012-05-24. Last modified 2026-06-16.