CVE-2014-3610

Public Exploit

Description

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.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.05%

Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com

Affected: n/a n/a

References

Link	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1144883	issue tracking third party advisory patch
http://www.ubuntu.com/usn/USN-2491-1	third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2418-1	third party advisory vendor advisory
http://www.securityfocus.com/bid/70742	vdb entry third party advisory
http://www.ubuntu.com/usn/USN-2417-1	third party advisory vendor advisory
https://github.com/torvalds/linux/commit/854e8bb1aa06c578c2c9145fa6bfe3680ef63b23	exploit third party advisory patch
http://www.debian.org/security/2014/dsa-3060	third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-0869.html	third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html	mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html	mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2394-1	third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2014/10/24/9	mailing list third party advisory patch
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=854e8bb1aa06c578c2c9145fa6bfe3680ef63b23

Frequently Asked Questions

What is the severity of CVE-2014-3610?: CVE-2014-3610 has been scored as a medium severity vulnerability.
How to fix CVE-2014-3610?: To fix CVE-2014-3610, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-3610 being actively exploited in the wild?: It is possible that CVE-2014-3610 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.