CVE-2015-2151 Memory corruption in n/a
Local guest users can exploit a flaw in the Xen x86 emulator to cause memory corruption, leading to potential code execution, denial of service, or information disclosure.
- 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-2015-2151?
CVE-2015-2151 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 12 Mar 2015. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register operands, which allows local guest users to obtain sensitive information, cause a denial of service (memory corruption), or possibly execute arbitrary code via unspecified vectors.
Weakness: CWE-264
Which versions are affected by CVE-2015-2151?
It affects 3 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Xen Xen.
How do I fix CVE-2015-2151?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2015-2151 being exploited?
There is no known exploitation of CVE-2015-2151 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2015-2151, GHSA-mp6j-2xjg-wm8g, UBUNTU-CVE-2015-2151.