CVE-2015-5247 Denial of service in n/a
Authenticated users can crash libvirtd by triggering a failed unlink on root_squash NFS pools, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-5247?
CVE-2015-5247 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 14 Apr 2016. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The virStorageVolCreateXML API in libvirt 1.2.14 through 1.2.19 allows remote authenticated users with a read-write connection to cause a denial of service (libvirtd crash) by triggering a failed unlink after creating a volume on a root_squash NFS pool.
Weakness: CWE-284
Which versions are affected by CVE-2015-5247?
It affects 2 products.
Products include Canonical Ubuntu Linux, Redhat Libvirt.
How do I fix CVE-2015-5247?
Upgrade to a fixed version.
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-2015-5247 being exploited?
There is no known exploitation of CVE-2015-5247 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2015-5247, GHSA-xq4r-xr6r-76qw.