CVE-2014-4022 Information disclosure in n/a

Low 2.7 Published 9 Jul 2014 Updated 6 Aug 2024

Local guest administrators on ARM Xen platforms can read sensitive memory via uninitialized grant table structures.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2014-4022?

CVE-2014-4022 is a low-severity vulnerability in Xen Xen, published on 9 Jul 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The alloc_domain_struct function in arch/arm/domain.c in Xen 4.4.x, when running on an ARM platform, does not properly initialize the structure containing the grant table pages for a domain, which allows local guest administrators to obtain sensitive information via the GNTTABOP_setup_table subhypercall.

Weakness: CWE-200

Which versions are affected by CVE-2014-4022?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2014-4022?

Apply the vendor's patch.

Is CVE-2014-4022 being exploited?

There is no known exploitation of CVE-2014-4022 in the wild and no public exploit code.

All Xen Xen vulnerabilities

Sources

Also known as GHSA-pjr2-q7jr-rc5x, UBUNTU-CVE-2014-4022.