5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.4 Medium
AI Score
Confidence
Low
4.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
0.0005 Low
EPSS
Percentile
14.3%
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.
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=38327424b40bcebe2de92d07312c89360ac9229a
lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00012.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00013.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00014.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00015.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00016.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00017.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00019.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00020.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00023.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00026.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00027.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
rhn.redhat.com/errata/RHSA-2016-1532.html
rhn.redhat.com/errata/RHSA-2016-1539.html
rhn.redhat.com/errata/RHSA-2016-1541.html
rhn.redhat.com/errata/RHSA-2016-1657.html
rhn.redhat.com/errata/RHSA-2016-2006.html
rhn.redhat.com/errata/RHSA-2016-2074.html
rhn.redhat.com/errata/RHSA-2016-2076.html
rhn.redhat.com/errata/RHSA-2016-2128.html
rhn.redhat.com/errata/RHSA-2016-2133.html
www.debian.org/security/2016/dsa-3607
www.openwall.com/lists/oss-security/2016/06/15/11
www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
www.securitytracker.com/id/1036763
www.ubuntu.com/usn/USN-3049-1
www.ubuntu.com/usn/USN-3050-1
www.ubuntu.com/usn/USN-3051-1
www.ubuntu.com/usn/USN-3052-1
www.ubuntu.com/usn/USN-3053-1
www.ubuntu.com/usn/USN-3054-1
www.ubuntu.com/usn/USN-3055-1
www.ubuntu.com/usn/USN-3056-1
www.ubuntu.com/usn/USN-3057-1
bugzilla.redhat.com/show_bug.cgi?id=1341716
github.com/torvalds/linux/commit/38327424b40bcebe2de92d07312c89360ac9229a
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.4 Medium
AI Score
Confidence
Low
4.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
0.0005 Low
EPSS
Percentile
14.3%