CVE-2014-1438: Linux Kernel

Medium severity, CVSS 4.7. EPSS: 0.7% chance of exploitation in the next 30 days.

The restore_fpu_checking function in arch/x86/include/asm/fpu-internal.h in the Linux kernel before 3.12.8 on the AMD K7 and K8 platforms does not clear pending exceptions before proceeding to an EMMS instruction, which allows local users to cause a denial of service (task kill) or possibly gain privileges via a crafted application.

Affected products

• Linux Linux Kernel: up to and including 3.12.7; version 3.12 only; version 3.12.1 only; version 3.12.2 only; version 3.12.3 only; version 3.12.4 only; …

Published 2014-01-18. Last modified 2026-06-17.