CVE-2014-3610
MEDIUM severity · CVSS 5.5
5.5CVSS MEDIUM
Summary
The WRMSR processing functionality in the KVM subsystem in the Linux kernel through 3.17.2 does not properly handle the writing of a non-canonical address to a model-specific register, which allows guest OS users to cause a denial of service (host OS crash) by leveraging guest OS privileges, related to the wrmsr_interception function in arch/x86/kvm/svm.c and the handle_wrmsr function in arch/x86/kvm/vmx.c.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://www.openwall.com/lists/oss-security/2014/10/24/9 ↗
Additional information
- NVD record
- http://www.openwall.com/lists/oss-security/2014/10/24/9Patch
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=854e8bb1aa06c578c2c9145fa6bfe3680ef63b23
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2015-0869.htmlAdvisory
- http://www.debian.org/security/2014/dsa-3060Advisory
- http://www.securityfocus.com/bid/70742Advisory
- http://www.ubuntu.com/usn/USN-2394-1Advisory