CVE-2016-4470

5.5 MEDIUM
Published: June 27, 2016 Modified: May 06, 2026
View on NVD

Description

The key_reject_and_link function in security/keys/key.c in the Linux kernel through 4.6.3 does not ensure that a certain data structure is initialized, which allows local users to cause a denial of service (system crash) via vectors involving a crafted keyctl request2 command.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1532.html
Source: secalert@redhat.com
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1539.html
Source: secalert@redhat.com
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1541.html
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-3049-1
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-3050-1
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-3051-1
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-3052-1
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-3053-1
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-3054-1
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-3055-1
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-3056-1
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-3057-1
Source: secalert@redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=1341716
Source: secalert@redhat.com
Issue Tracking Third Party Advisory VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1532.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1539.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1541.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1657.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-2006.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-2074.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-2076.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-2128.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-2133.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2016/dsa-3607
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2016/06/15/11
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.securitytracker.com/id/1036763
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3049-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3050-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3051-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3052-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3053-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3054-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3055-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3056-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3057-1
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=1341716
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Third Party Advisory VDB Entry
https://github.com/torvalds/linux/commit/38327424b40bcebe2de92d07312c89360ac9229a
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

96 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
0.1%
17th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

novell linux oracle redhat