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CVE-2014-3646

18
FAUCET Score

CVE-2014-3646 describes a denial-of-service vulnerability in the KVM subsystem of the Linux kernel, affecting versions through 3.17.2, including distributions like Canonical, Debian, and Red Hat. The vulnerability, rated Medium severity (CVSS 5.5), arises from a missing exit handler for the INVVPID instruction, allowing a guest OS user to crash the guest OS. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.17.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
11.4CPE matchmatch criteria
cpe:2.3:o:opensuse:evergreen:11.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
35.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 41st percentile among its peer group of 5,765 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.5 Extended Update SupportFixed in: kernel-0:2.6.32-431.50.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-123.9.2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-504.1.3.el6
View patch
redhatpatch availablevia redhat_api
Product: RHEV 3.X Hypervisor and Agents for RHEL-6Fixed in: rhev-hypervisor6-0:6.6-20150123.1.el6ev
View patch
redhatpatch availablevia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kvm

Vendor Advisories (1)

redhatCVE-2014-3646Moderate

kernel: kvm: vmx: invvpid vm exit not handled

Oct 21, 2014

References

git.kernel.org
lists.opensuse.org / opensuse-security-announce/2015-03/msg00010.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-03/msg00025.html
Mailing ListThird Party Advisory
rhn.redhat.com / errata/RHSA-2015-0126.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2015-0284.html
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
github.com / torvalds/linux/commit/a642fc305053cc1c6e47e4f4df327895747ab485
PatchThird Party Advisory
debian.org / security/2014/dsa-3060
Third Party Advisory
openwall.com / lists/oss-security/2014/10/24/9
Mailing ListPatchThird Party Advisory
ubuntu.com / usn/USN-2394-1
Third Party Advisory
ubuntu.com / usn/USN-2417-1
Third Party Advisory
ubuntu.com / usn/USN-2418-1
Third Party Advisory