CVE-2014-3646

Name: CVE-2014-3646
Creator: NVD / NIST
Published: 2014-11-10T11:55:06.487+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2014-3646 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel through 3.17.2 does not have an exit handler for the INVVPID instruction, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel through 3.17.2 does not have an exit handler for the INVVPID instruction, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

0.43%

34.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Linux	Linux Kernel	<= 3.17.2	—
Redhat	Enterprise Linux	5.0	—
Canonical	Ubuntu Linux	12.04	—
Debian	Debian Linux	7.0	—
Opensuse	Evergreen	11.4	—
Suse	Suse Linux Enterprise Server	11	Sp2

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a642fc305053cc1c6e47e4f4df327895747ab485
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0126.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0284.htmlThird Party Advisory
http://www.debian.org/security/2014/dsa-3060Third Party Advisory
http://www.openwall.com/lists/oss-security/2014/10/24/9Mailing List, Patch, Third Party Advisory
http://www.ubuntu.com/usn/USN-2394-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2417-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2418-1Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1144825Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/a642fc305053cc1c6e47e4f4df327895747ab485Patch, Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a642fc305053cc1c6e47e4f4df327895747ab485
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0126.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0284.htmlThird Party Advisory
http://www.debian.org/security/2014/dsa-3060Third Party Advisory
http://www.openwall.com/lists/oss-security/2014/10/24/9Mailing List, Patch, Third Party Advisory
http://www.ubuntu.com/usn/USN-2394-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2417-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2418-1Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1144825Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/a642fc305053cc1c6e47e4f4df327895747ab485Patch, Third Party Advisory

Timeline

Published: Nov 10, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-3646?

How severe is CVE-2014-3646?

CVE-2014-3646 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2014-3646?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-3646?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST