High severity · published Oct 7, 2016
CVE-2016-3699
The Linux kernel, as used in Red Hat Enterprise Linux 7.2 and Red Hat Enterprise MRG 2 and when booted with UEFI Secure Boot enabled, allows local users to bypass intended Secure…
7.4
CVSS
0.5%
EPSS
No
On KEV
Description
The Linux kernel, as used in Red Hat Enterprise Linux 7.2 and Red Hat Enterprise MRG 2 and when booted with UEFI Secure Boot enabled, allows local users to bypass intended Secure Boot restrictions and execute untrusted code by appending ACPI tables to the initrd.
CVSS vector
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
All versions, or not specified · source: NVD
EM
Enterprise Mrg · Redhat
2.0 · source: NVD
LI
Linux · Redhat
7.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-3699
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-3699
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2016-2574.html
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2016-2584.html
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/22/4
Broken Link
http://www.securityfocus.com/bid/93114
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1329653
Exploit
https://github.com/mjg59/linux/commit/a4a5ed2835e8ea042868b7401dced3f517cafa76
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