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CVE-2017-12168

16
FAUCET Score

CVE-2017-12168 is a denial-of-service vulnerability affecting the Linux kernel before version 4.8.11, specifically within the KVM virtualization component on ARM64 architectures. A privileged guest OS user can trigger an assertion failure and host OS crash by accessing the Performance Monitors Cycle Count Register (PMCCNTR). Rated Medium severity (CVSS 6.0), it requires high privileges within the guest OS and has a high impact on availability, but no impact on confidentiality or integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.8.10CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.0MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.5
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 84th percentile among its peer group of 3,720 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, 0.0 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 (3)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-alt-0:4.11.0-44.el7a
View patch

Vendor Advisories (1)

redhatCVE-2017-12168Moderate

Kernel: kvm: ARM64: assert failure when accessing PMCCNTR register

Nov 18, 2016

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
Issue TrackingPatchThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
github.com / torvalds/linux/commit/9e3f7a29694049edd728e2400ab57ad7553e5aa9
Issue TrackingPatchThird Party Advisory
kernel.org / pub/linux/kernel/v4.x/ChangeLog-4.8.11
Release NotesVendor Advisory