What is CVE-2016-6156?

CVE-2016-6156 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.1 out of 10, classified as a Race Condition flaw (CWE-362). CVE-2016-6156 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2016-6156?

CVE-2016-6156 has a CVSS score of 5.1 out of 10, rated Medium severity. The vector string is CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2016-6156?

No patch is currently available for CVE-2016-6156. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2016-6156 actively exploited?

CVE-2016-6156 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/362.html

CVE-2016-6156

Medium

Race condition in the ec_device_ioctl_xcmd function in drivers/platform/chrome/cros_ec_dev.c in the Linux kernel before 4.7 allows local users to cause a denial of service (out-of-bounds array access) by changing a certain size value, aka a "double fetch" vulnerability.

Package Linux Kernel

Published 2016-08-06

Last modified 2026-05-06

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

5.1

out of 10

Medium

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-362

CVE-2016-6156 is a Race Condition vulnerability

What is Race Condition?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2016-6156 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Seclists
http://seclists.org/bugtraq/2016/Jul/20

Third Party Advisory VDB Entry
Securityfocus
http://www.securityfocus.com/bid/91553
Kernel.org
https://bugzilla.kernel.org/show_bug.cgi?id=120131

Issue Tracking
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1353490

Issue Tracking
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=096cdc6f52225835ff503f987a0d68ef770bb78e
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/096cdc6f52225835ff503f987a0d68ef770bb78e
Patch

Details

CVE ID CVE-2016-6156

Severity Medium

CVSS score 5.1 / 10

CVSS version 3.0

Published 2016-08-06

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2016-6156?

CVE-2016-6156 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.1 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2016-6156 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2016-6156?

CVE-2016-6156 has a CVSS score of 5.1 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2016-6156?

No patch is currently available for CVE-2016-6156. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2016-6156 actively exploited?

No — CVE-2016-6156 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. View CWE-362 on MITRE CWE →