CVE-2015-8341 Denial of service in n/a
Attackers can cause denial of service via memory and disk exhaustion by starting domains in Xen due to improper file mapping releases.
- 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-2015-8341?
CVE-2015-8341 is a high-severity denial of service vulnerability in Xen Xen, published on 17 Dec 2015. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The libxl toolstack library in Xen 4.1.x through 4.6.x does not properly release mappings of files used as kernels and initial ramdisks when managing multiple domains in the same process, which allows attackers to cause a denial of service (memory and disk consumption) by starting domains.
Weakness: CWE-399
Which versions are affected by CVE-2015-8341?
It affects 1 product.
Products include Xen Xen.
How do I fix CVE-2015-8341?
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-2015-8341 being exploited?
There is no known exploitation of CVE-2015-8341 in the wild and no public exploit code.
Other vulnerabilities in Xen Xen
Sources
Also known as DEBIAN-CVE-2015-8341, GHSA-qcgw-prmf-2x36, UBUNTU-CVE-2015-8341.