CVE-2014-8867: Medium severity red hat enterprise linux vulnerability
The acceleration support for the "REP MOVS" instruction in Xen 4.4.x, 3.2.x, and earlier lacks properly bounds checking for memory mapped I/O (MMIO) emulated in the hypervisor, which allows local HVM guests to cause a denial of service (host crash) via unspecified vectors.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2014-8867?
CVE-2014-8867 is a medium severity vulnerability that can lead to denial of service, including host crashes.
How do I fix CVE-2014-8867?
To fix CVE-2014-8867, you should apply the latest security patches provided for the affected versions of Xen and related operating systems.
What versions are affected by CVE-2014-8867?
CVE-2014-8867 affects Xen 4.4.x, 3.2.x, and earlier, as well as specific versions of Red Hat Enterprise Linux, Debian Linux, and openSUSE.
Can local HVM guests exploit CVE-2014-8867?
Yes, local HVM guests can exploit CVE-2014-8867 to cause a denial of service on the host system.
What are the potential impacts of CVE-2014-8867?
The potential impacts of CVE-2014-8867 include system instability and crashing of the hypervisor, leading to downtime for hosted virtual machines.