CVE-2011-2496: Linux Kernel

Medium severity, CVSS 4.9. EPSS: 0.5% chance of exploitation in the next 30 days.

Integer overflow in the vma_to_resize function in mm/mremap.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (BUG_ON and system crash) via a crafted mremap system call that expands a memory mapping.

Affected products

• Linux Linux Kernel: up to and including 2.6.38.8; version 2.6.38 only; version 2.6.38.1 only; version 2.6.38.2 only; version 2.6.38.3 only; version 2.6.38.4 only; …

Published 2012-06-13. Last modified 2026-06-16.