CVE-2012-2373: Linux Kernel

Medium severity, CVSS 4.0. EPSS: 0.3% chance of exploitation in the next 30 days.

The Linux kernel before 3.4.5 on the x86 platform, when Physical Address Extension (PAE) is enabled, does not properly use the Page Middle Directory (PMD), which allows local users to cause a denial of service (panic) via a crafted application that triggers a race condition.

Affected products

• Linux Linux Kernel: up to and including 3.4.4; version 3.4 only; version 3.4.1 only; version 3.4.2 only; version 3.4.3 only

Published 2012-08-09. Last modified 2026-06-16.