CVE-2017-10918 Memory corruption in n/a

Critical 10.0 Published 5 Jul 2017 Updated 5 Aug 2024

Guest OS users can gain privileged host OS access due to missing validation of memory allocations during P2M operations in Xen.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2017-10918?

CVE-2017-10918 is a critical memory corruption vulnerability in Xen Xen, published on 5 Jul 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Xen through 4.8.x does not validate memory allocations during certain P2M operations, which allows guest OS users to obtain privileged host OS access, aka XSA-222.

Weakness: CWE-20

Which versions are affected by CVE-2017-10918?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2017-10918?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2017-10918 being exploited?

There is no known exploitation of CVE-2017-10918 in the wild and no public exploit code.

All Xen Xen vulnerabilities

Sources

Also known as ALPINE-CVE-2017-10918, DEBIAN-CVE-2017-10918, GHSA-wcvx-8554-h4rm, UBUNTU-CVE-2017-10918.