What is CVE-2016-3713?

CVE-2016-3713 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10, classified as a Improper Access Control flaw (CWE-284). CVE-2016-3713 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2016-3713?

CVE-2016-3713 has a CVSS score of 7.1 out of 10, rated High severity. The vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Is there a patch available for CVE-2016-3713?

No patch is currently available for CVE-2016-3713. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2016-3713 actively exploited?

CVE-2016-3713 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Improper Access Control (CWE-284)?

The product does not restrict or incorrectly restricts access to a resource from an unauthorised actor. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/284.html

CVE-2016-3713

High

The msr_mtrr_valid function in arch/x86/kvm/mtrr.c in the Linux kernel before 4.6.1 supports MSR 0x2f8, which allows guest OS users to read or write to the kvm_arch_vcpu data structure, and consequently obtain sensitive information or cause a denial of service (system crash), via a crafted ioctl call.

Package Linux Kernel

Published 2016-06-27

Last modified 2026-05-06

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

7.1

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-284

CVE-2016-3713 is a Improper Access Control vulnerability

What is Improper Access Control?

The product does not restrict or incorrectly restricts access to a resource from an unauthorised actor. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2016-3713 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel.org
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1
Openwall
http://www.openwall.com/lists/oss-security/2016/05/16/2
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1332139
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9842df62004f366b9fed2423e24df10542ee0dc5
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/9842df62004f366b9fed2423e24df10542ee0dc5
Patch

Details

CVE ID CVE-2016-3713

Severity High

CVSS score 7.1 / 10

CVSS version 3.0

Published 2016-06-27

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2016-3713?

CVE-2016-3713 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 , classified as an Improper Access Control flaw (CWE-284) . CVE-2016-3713 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2016-3713?

CVE-2016-3713 has a CVSS score of 7.1 out of 10, rated High severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
Is there a patch available for CVE-2016-3713?

No patch is currently available for CVE-2016-3713. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2016-3713 actively exploited?

No — CVE-2016-3713 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Improper Access Control (CWE-284)?

The product does not restrict or incorrectly restricts access to a resource from an unauthorised actor. View CWE-284 on MITRE CWE →