CVE-2017-15588 Race condition in n/a

High 7.8 Published Updated

A race condition in Xen allows guest OS users to execute arbitrary code on the host, requiring immediate patching by virtualization administrators.

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-2017-15588?

CVE-2017-15588 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 PV guest OS users to execute arbitrary code on the host OS because of a race condition that can cause a stale TLB entry.

Weakness: CWE-362

Which versions are affected by CVE-2017-15588?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2017-15588?

Apply the vendor's patch.

Is CVE-2017-15588 being exploited?

There is no known exploitation of CVE-2017-15588 in the wild and no public exploit code.

All Xen Xen vulnerabilities

Sources

Also known as ALPINE-CVE-2017-15588, DEBIAN-CVE-2017-15588, GHSA-5chc-m6j7-c756, UBUNTU-CVE-2017-15588.

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