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CVE-2016-8650

22
FAUCET Score

CVE-2016-8650 is a denial-of-service vulnerability affecting the Linux kernel through version 4.8.11, specifically within the mpi_powm function. A local attacker can trigger a stack memory corruption and system panic by providing a zero exponent during an RSA key addition via the add_key system call. Rated Medium (CVSS 5.5), this vulnerability requires local access and has a high impact on availability, but no impact on confidentiality or integrity. 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
<= 4.8.11CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 88th percentile among its peer group of 15,938 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 (5)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-754.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt-0:3.10.0-514.16.1.rt56.437.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-514.16.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt-1:3.10.0-514.rt56.219.el6rt
View patch

Vendor Advisories (1)

redhatCVE-2016-8650Moderate

kernel: Null pointer dereference via keyctl

Nov 15, 2016

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
Issue TrackingPatchVendor Advisory
access.redhat.com / errata/RHSA-2017:0931
access.redhat.com / errata/RHSA-2017:0932
access.redhat.com / errata/RHSA-2017:0933
access.redhat.com / errata/RHSA-2018:1854
bugzilla.redhat.com / show_bug.cgi
Issue Tracking
seclists.org / fulldisclosure/2016/Nov/76
Mailing List
github.com / torvalds/linux/commit/f5527fffff3f002b0a6b376163613b82f69de073
Issue TrackingPatchThird Party Advisory
source.android.com / security/bulletin/2017-03-01.html
openwall.com / lists/oss-security/2016/11/24/8
Mailing ListThird Party Advisory
securityfocus.com / bid/94532
securitytracker.com / id/1037968