CVE-2014-1438 Privilege escalation in n/a
Local attackers can cause denial of service or gain privileges via a crafted application due to improper FPU exception handling on AMD K7/K8 platforms.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-1438?
CVE-2014-1438 is a medium-severity vulnerability in Linux kernel, published on 18 Jan 2014. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-264
Which versions are affected by CVE-2014-1438?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2014-1438?
Apply the vendor's patch.
Is CVE-2014-1438 being exploited?
There is no known exploitation of CVE-2014-1438 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2014-1438, GHSA-xgvj-fh76-mj6g.