CVE-2011-4611: Linux Kernel

Medium severity, CVSS 4.9. EPSS: 0.4% chance of exploitation in the next 30 days.

Integer overflow in the perf_event_interrupt function in arch/powerpc/kernel/perf_event.c in the Linux kernel before 2.6.39 on powerpc platforms allows local users to cause a denial of service (unhandled performance monitor exception) via vectors that trigger certain outcomes of performance events.

Affected products

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

Published 2012-05-17. Last modified 2026-06-16.