CVE-2009-3888: Linux Kernel

Medium severity, CVSS 4.9. EPSS: 0.7% chance of exploitation in the next 30 days.

The do_mmap_pgoff function in mm/nommu.c in the Linux kernel before 2.6.31.6, when the CPU lacks a memory management unit, allows local users to cause a denial of service (OOPS) via an application that attempts to allocate a large amount of memory.

Affected products

• Linux Linux Kernel: up to and including 2.6.31.5; version 2.6.0 only; version 2.6.1 only; version 2.6.2 only; version 2.6.3 only; version 2.6.4 only; …

Published 2009-11-16. Last modified 2026-06-16.