CVE-2017-15594 Privilege escalation in n/a

High 8.8 Published 18 Oct 2017 Updated 5 Aug 2024

A flaw in Xen allows guest users to crash the hypervisor or gain privileges via mishandled IDT settings during CPU hotplugging.

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-2017-15594?

CVE-2017-15594 is a high-severity vulnerability in Xen Xen, published on 18 Oct 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered in Xen through 4.9.x allowing x86 SVM PV guest OS users to cause a denial of service (hypervisor crash) or gain privileges because IDT settings are mishandled during CPU hotplugging.

Which versions are affected by CVE-2017-15594?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2017-15594?

Apply the vendor's patch.

Is CVE-2017-15594 being exploited?

There is no known exploitation of CVE-2017-15594 in the wild and no public exploit code.

All Xen Xen vulnerabilities

Sources

Also known as ALPINE-CVE-2017-15594, DEBIAN-CVE-2017-15594, GHSA-vqq2-52wh-vqj8, UBUNTU-CVE-2017-15594.