CVE-2019-17350 Denial of service in n/a
Arm guest attackers can cause a denial of service via an infinite loop in the Xen hypervisor's compare-and-exchange operation.
- 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-2019-17350?
CVE-2019-17350 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 8 Oct 2019. 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 4.12.x allowing Arm domU attackers to cause a denial of service (infinite loop) involving a compare-and-exchange operation.
Weakness: CWE-835
Which versions are affected by CVE-2019-17350?
It affects 2 products.
Products include Debian Debian Linux, Xen Xen.
How do I fix CVE-2019-17350?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-17350 being exploited?
There is no known exploitation of CVE-2019-17350 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2019-17350, GHSA-j3j5-w2hq-cw74, UBUNTU-CVE-2019-17350.