What is CVE-2016-4794?

CVE-2016-4794 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10. CVE-2016-4794 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2016-4794?

CVE-2016-4794 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2016-4794?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2016-4794 patch availability.

Is CVE-2016-4794 actively exploited?

CVE-2016-4794 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2016-4794

High

Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service (BUG) or possibly have unspecified other impact via crafted use of the mmap and bpf system calls.

Package Linux Kernel

Published 2016-05-23

Last modified 2026-05-06

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

12 total

Openwall
http://www.openwall.com/lists/oss-security/2016/05/12/6

Exploit Mailing List Third Party Advisory
Lkml
https://lkml.org/lkml/2016/4/17/125

Exploit Third Party Advisory
Red Hat
http://rhn.redhat.com/errata/RHSA-2016-2574.html

Third Party Advisory
Red Hat
http://rhn.redhat.com/errata/RHSA-2016-2584.html

Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/90625

Third Party Advisory VDB Entry

Showing 5 of 12 references View all on NVD

Details

CVE ID CVE-2016-4794

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2016-05-23

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2016-4794?

CVE-2016-4794 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . CVE-2016-4794 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2016-4794?

CVE-2016-4794 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2016-4794?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2016-4794 patch availability.
Is CVE-2016-4794 actively exploited?

No. CVE-2016-4794 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.