Public Date:
1144825: CVE-2014-3646 kernel: kvm: vmx: invvpid vm exit not handled
It was found that the Linux kernel's KVM subsystem did not handle the VM exits gracefully for the invvpid (Invalidate Translations Based on VPID) instructions. On hosts with an Intel processor and invppid VM exit support, an unprivileged guest user could use these instructions to crash the guest.

Find out more about CVE-2014-3646 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue does affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 6 and 7. Future updates may address this issue in the
respective Red Hat Enterprise Linux releases.

This issue does affect the kvm packages as shipped with Red Hat Enterprise Linux 5.

Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle:

CVSS v2 metrics

Base Score 4.7
Base Metrics AV:L/AC:M/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (kernel) RHSA-2014:1843 2014-11-11
RHEV Hypervisor for RHEL-6 (rhev-hypervisor6) RHSA-2015:0126 2015-02-04
Red Hat Enterprise Linux 7 (kernel) RHSA-2014:1724 2014-10-28
Red Hat Enterprise Linux Extended Update Support 6.5 (kernel) RHSA-2015:0284 2015-03-03

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 kvm Will not fix


Red Hat would like to thank the Advanced Threat Research team at Intel Security for reporting this issue.
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