Is CVE-2014-3646 being actively exploited?

CVE-2014-3646 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-3646?

CVE-2014-3646 has a CVSS 3.1 base score of 5.5 (MEDIUM).

CVE-2014-3646

MEDIUM · CVSS 5.5EPSS 0.4%EU EUVD

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.

Key facts

CVSS score: 5.5 (v3.1)
Severity: MEDIUM
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS score: 0.4% (37th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-3603)
Published: November 10, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-3603 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
debian / debian linux
linux / linux kernel
opensuse / evergreen
redhat / enterprise linux
suse / suse linux enterprise server

Certified products that may be affected

7 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Red Hat Enterprise Linux libgcrypt Cryptographic Module v4.0 [1] and Red Hat Enterprise Linux libgcrypt Cryptographic Module v5.0 [2] - Red Hat®, Inc. - FIPS 140 2657 - historical
Red Hat Enterprise Linux 5 OpenSSH-Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 1384 - historical
Red Hat Enterprise Linux 5 OpenSSH Client Cryptographic Module - Red Hat®, Inc. - FIPS 140 1385 - historical
Red Hat Enterprise Linux 5 OpenSwan Cryptographic Module - Red Hat®, Inc. - FIPS 140 1386 - historical
Red Hat Enterprise Linux 5 Kernel Crypto API Cryptographic Module - Red Hat®, Inc. - FIPS 140 1387 - historical

See all 7 in the Security Certifications Explorer.

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.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html(Mailing List, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2015-0126.html(Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2015-0284.html(Third Party Advisory)
http://www.debian.org/security/2014/dsa-3060(Third Party Advisory)
http://www.openwall.com/lists/oss-security/2014/10/24/9(Mailing List, Patch, Third Party Advisory)
http://www.ubuntu.com/usn/USN-2394-1(Third Party Advisory)
http://www.ubuntu.com/usn/USN-2417-1(Third Party Advisory)
http://www.ubuntu.com/usn/USN-2418-1(Third Party Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=1144825(Issue Tracking, Patch, Third Party Advisory)
https://github.com/torvalds/linux/commit/a642fc305053cc1c6e47e4f4df327895747ab485(Patch, Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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