CVE-2016-0728

7.8 HIGH
Published: February 08, 2016 Modified: May 06, 2026
View on NVD

Description

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00026.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00012.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00033.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00034.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00035.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00038.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00041.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00043.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00044.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00045.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0064.html
Source: secalert@redhat.com
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0065.html
Source: secalert@redhat.com
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0068.html
Source: secalert@redhat.com
Third Party Advisory
http://source.android.com/security/bulletin/2016-03-01.html
Source: secalert@redhat.com
Vendor Advisory
http://www.debian.org/security/2016/dsa-3448
Source: secalert@redhat.com
Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
Source: secalert@redhat.com
Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/01/19/2
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.securityfocus.com/bid/81054
Source: secalert@redhat.com
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1034701
Source: secalert@redhat.com
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2870-1
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-2870-2
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-2871-1
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-2871-2
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-2872-1
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-2872-2
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-2872-3
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-2873-1
Source: secalert@redhat.com
Third Party Advisory
https://bto.bluecoat.com/security-advisory/sa112
Source: secalert@redhat.com
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1297475
Source: secalert@redhat.com
Issue Tracking Third Party Advisory
https://security.netapp.com/advisory/ntap-20160211-0001/
Source: secalert@redhat.com
Third Party Advisory
https://www.exploit-db.com/exploits/39277/
Source: secalert@redhat.com
Third Party Advisory VDB Entry
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00026.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00012.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00033.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00034.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00035.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00038.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00041.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00043.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00044.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00045.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0064.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0065.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0068.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://source.android.com/security/bulletin/2016-03-01.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.debian.org/security/2016/dsa-3448
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/01/19/2
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.securityfocus.com/bid/81054
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1034701
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2870-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-2870-2
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-2871-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-2871-2
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-2872-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-2872-2
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-2872-3
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-2873-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bto.bluecoat.com/security-advisory/sa112
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1297475
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/23567fd052a9abb6d67fe8e7a9ccdd9800a540f2
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://h20565.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05018265
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05130958
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://security.netapp.com/advisory/ntap-20160211-0001/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.exploit-db.com/exploits/39277/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry

84 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
49.2%
98th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

google linux debian hp canonical