CVE-2013-0309: Linux Kernel

Medium severity, CVSS 4.7. EPSS: 0.4% chance of exploitation in the next 30 days.

arch/x86/include/asm/pgtable.h in the Linux kernel before 3.6.2, when transparent huge pages are used, does not properly support PROT_NONE memory regions, which allows local users to cause a denial of service (system crash) via a crafted application.

Affected products

• Linux Linux Kernel: up to and including 3.6.1; version 3.0 only; version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; version 3.0.4 only; …
• Red Hat Enterprise Linux: version 6.0 only

Published 2013-02-22. Last modified 2026-06-16.