What is CVE-2016-0728?

CVE-2016-0728 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10. CVE-2016-0728 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2016-0728?

CVE-2016-0728 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-2016-0728?

No patch is currently available for CVE-2016-0728. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2016-0728 actively exploited?

CVE-2016-0728 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2016-0728

High

The join_session_keyring function in security/keys/process_keys.c in the Linux kernel before 4.4.1 mishandles object references in a certain error case, which allows local users to gain privileges or cause a denial of service (integer overflow and use-after-free) via crafted keyctl commands.

Package Linux Kernel

Published 2016-02-08

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

The following references provide additional information about CVE-2016-0728 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html

Mailing List Third Party Advisory
Lists
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00026.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00012.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00033.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00034.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00035.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00038.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00041.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00043.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00044.html

Mailing List Third Party Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00045.html

Mailing List Third Party Advisory
Perception-Point
http://perception-point.io/2016/01/14/analysis-and-exploitation-of-a-linux-kernel-vulnerability-cve-2016-0728/

Third Party Advisory
Red Hat
http://rhn.redhat.com/errata/RHSA-2016-0064.html

Third Party Advisory
Red Hat
http://rhn.redhat.com/errata/RHSA-2016-0065.html

Third Party Advisory
Red Hat
http://rhn.redhat.com/errata/RHSA-2016-0068.html

Third Party Advisory
Source
http://source.android.com/security/bulletin/2016-03-01.html

Vendor Advisory
Debian Security
http://www.debian.org/security/2016/dsa-3448

Third Party Advisory
Kernel.org
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1

Vendor Advisory
Openwall
http://www.openwall.com/lists/oss-security/2016/01/19/2

Mailing List Third Party Advisory
Oracle
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/81054

Third Party Advisory VDB Entry
Securitytracker
http://www.securitytracker.com/id/1034701

Third Party Advisory VDB Entry
Ubuntu Security
http://www.ubuntu.com/usn/USN-2870-1

Third Party Advisory
Ubuntu Security
http://www.ubuntu.com/usn/USN-2870-2

Third Party Advisory
Ubuntu Security
http://www.ubuntu.com/usn/USN-2871-1

Third Party Advisory
Ubuntu Security
http://www.ubuntu.com/usn/USN-2871-2

Third Party Advisory
Ubuntu Security
http://www.ubuntu.com/usn/USN-2872-1

Third Party Advisory
Ubuntu Security
http://www.ubuntu.com/usn/USN-2872-2

Third Party Advisory
Ubuntu Security
http://www.ubuntu.com/usn/USN-2872-3

Third Party Advisory
Ubuntu Security
http://www.ubuntu.com/usn/USN-2873-1

Third Party Advisory
Bto
https://bto.bluecoat.com/security-advisory/sa112

Third Party Advisory
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1297475

Issue Tracking Third Party Advisory
H20565
https://h20565.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05018265

Third Party Advisory
H20566
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05130958

Third Party Advisory
H20566
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380

Third Party Advisory
Security
https://security.netapp.com/advisory/ntap-20160211-0001/

Third Party Advisory
Exploit-DB
https://www.exploit-db.com/exploits/39277/

Third Party Advisory VDB Entry
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=23567fd052a9abb6d67fe8e7a9ccdd9800a540f2
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/23567fd052a9abb6d67fe8e7a9ccdd9800a540f2
Patch

Details

CVE ID CVE-2016-0728

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2016-02-08

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2016-0728?

CVE-2016-0728 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . CVE-2016-0728 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2016-0728?

CVE-2016-0728 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-2016-0728?

No patch is currently available for CVE-2016-0728. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2016-0728 actively exploited?

No — CVE-2016-0728 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.