CVE-2014-7188 Information disclosure in n/a
Local HVM guests can crash the host or read hypervisor data due to improper MSR range handling in Xen x2APIC emulation.
- 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-2014-7188?
CVE-2014-7188 is a high-severity vulnerability in Xen Xen, published on 2 Oct 2014. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The hvm_msr_read_intercept function in arch/x86/hvm/hvm.c in Xen 4.1 through 4.4.x uses an improper MSR range for x2APIC emulation, which allows local HVM guests to cause a denial of service (host crash) or read data from the hypervisor or other guests via unspecified vectors.
Weakness: CWE-399
Which versions are affected by CVE-2014-7188?
It affects 1 product.
Products include Xen Xen.
How do I fix CVE-2014-7188?
Apply the vendor's patch.
Is CVE-2014-7188 being exploited?
There is no known exploitation of CVE-2014-7188 in the wild and no public exploit code.
Other vulnerabilities in Xen Xen
Sources
Also known as DEBIAN-CVE-2014-7188, GHSA-7j5g-cw5c-pc6m, UBUNTU-CVE-2014-7188.