CVE-2014-5148 Privilege escalation in n/a

Medium 4.6 Published 26 Oct 2014 Updated 6 Aug 2024

Local guest users on ARM Xen systems can cause denial of service or potentially escalate privileges via crafted processes due to incorrect trap handler return instructions.

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-2014-5148?

CVE-2014-5148 is a medium-severity vulnerability in Xen Xen, published on 26 Oct 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Xen 4.4.x, when running on an ARM system and "handling an unknown system register access from 64-bit userspace," returns to an instruction of the trap handler for kernel space faults instead of an instruction that is associated with faults in 64-bit userspace, which allows local guest users to cause a denial of service (crash) and possibly gain privileges via a crafted process.

Weakness: CWE-119

Which versions are affected by CVE-2014-5148?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2014-5148?

Apply the vendor's patch.

Is CVE-2014-5148 being exploited?

There is no known exploitation of CVE-2014-5148 in the wild and no public exploit code.

All Xen Xen vulnerabilities

Sources

Also known as DEBIAN-CVE-2014-5148, GHSA-35mg-4h75-f9m6, UBUNTU-CVE-2014-5148.