Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2014-7842

15
FAUCET Score

CVE-2014-7842 is a race condition in the Linux kernel (before version 3.17.4) affecting KVM on x86 architectures, allowing guest OS users to trigger a denial of service (guest OS crash) through crafted MMIO or PIO transactions. Rated with a CVSS score of 4.9, it is a local attack with low complexity, resulting in high availability impact. There is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.17.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.9MEDIUM

AV:L/AC:L/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
30.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 50th percentile among its peer group of 3,052 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-642.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-327.el7
View patch
github_advisoryvendor investigatingvia nvd_reference
View patch
redhatvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2014-7842Moderate

kernel: kvm: reporting emulation failures to userspace

Sep 24, 2014

References

git.kernel.org
lists.opensuse.org / opensuse-security-announce/2015-03/msg00010.html
lists.opensuse.org / opensuse-security-announce/2015-03/msg00025.html
lists.opensuse.org / opensuse-security-announce/2015-04/msg00000.html
lists.opensuse.org / opensuse-security-announce/2015-04/msg00015.html
rhn.redhat.com / errata/RHSA-2016-0855.html
bugzilla.redhat.com / show_bug.cgi
Vendor Advisory
secunia.com / advisories/62305
secunia.com / advisories/62326
secunia.com / advisories/62336
github.com / torvalds/linux/commit/a2b9e6c1a35afcc0973acb72e591c714e78885ff
Vendor Advisory
kernel.org / pub/linux/kernel/v3.x/ChangeLog-3.17.4
Vendor Advisory
openwall.com / lists/oss-security/2014/11/13/7
oracle.com / technetwork/topics/security/linuxbulletinapr2016-2952096.html
oracle.com / technetwork/topics/security/linuxbulletinjan2016-2867209.html
oracle.com / technetwork/topics/security/linuxbulletinoct2015-2719645.html
securityfocus.com / bid/71078