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CVE-2016-3699

25
FAUCET Score

CVE-2016-3699 describes a local privilege escalation vulnerability in the Linux kernel, specifically affecting Red Hat Enterprise Linux 7.2 and Red Hat Enterprise MRG 2 when UEFI Secure Boot is enabled. An attacker can bypass Secure Boot restrictions by appending ACPI tables to the initrd, allowing the execution of untrusted code. This vulnerability carries a CVSSv3 score of 7.4 (High), indicating high impact on confidentiality, integrity, and availability with high attack complexity, but requires local access. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*
7.2CPE matchmatch criteria
cpe:2.3:o:redhat:linux:7.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.4HIGH

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.4
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.50%
Probability of exploitation in next 30 days
EPSS Percentile
39.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 85th percentile among its peer group of 157 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt-0:3.10.0-514.rt56.420.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-514.el7
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: realtime-kernel

Vendor Advisories (1)

redhatCVE-2016-3699Low

kernel: ACPI table override allowed when securelevel is enabled

Mar 5, 2016

References

rhn.redhat.com / errata/RHSA-2016-2574.html
rhn.redhat.com / errata/RHSA-2016-2584.html
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party AdvisoryVDB Entry
github.com / mjg59/linux/commit/a4a5ed2835e8ea042868b7401dced3f517cafa76
Exploit
openwall.com / lists/oss-security/2016/09/22/4
Third Party Advisory
securityfocus.com / bid/93114
Broken Link