CVE-2015-7311 Security feature bypass in n/a
Local guest users can bypass read-only disk restrictions in Xen hypervisor to modify disk images.
- 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-2015-7311?
CVE-2015-7311 is a low-severity vulnerability in Xen Xen, published on 1 Oct 2015. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
libxl in Xen 4.1.x through 4.6.x does not properly handle the readonly flag on disks when using the qemu-xen device model, which allows local guest users to write to a read-only disk image.
Weakness: CWE-17
Which versions are affected by CVE-2015-7311?
It affects 1 product.
Products include Xen Xen.
How do I fix CVE-2015-7311?
Apply the vendor's patch.
Is CVE-2015-7311 being exploited?
There is no known exploitation of CVE-2015-7311 in the wild and no public exploit code.
Other vulnerabilities in Xen Xen
Sources
Also known as DEBIAN-CVE-2015-7311, GHSA-wx4v-7h7w-4x2j, UBUNTU-CVE-2015-7311.