CVE-2016-0728
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.4 Medium
AI Score
Confidence
High
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.0004 Low
EPSS
Percentile
0.4%
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.
References
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=23567fd052a9abb6d67fe8e7a9ccdd9800a540f2
lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
lists.opensuse.org/opensuse-security-announce/2016-01/msg00026.html
lists.opensuse.org/opensuse-security-announce/2016-02/msg00012.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00033.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00034.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00035.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00038.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00041.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00043.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00044.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00045.html
perception-point.io/2016/01/14/analysis-and-exploitation-of-a-linux-kernel-vulnerability-cve-2016-0728/
rhn.redhat.com/errata/RHSA-2016-0064.html
rhn.redhat.com/errata/RHSA-2016-0065.html
rhn.redhat.com/errata/RHSA-2016-0068.html
source.android.com/security/bulletin/2016-03-01.html
www.debian.org/security/2016/dsa-3448
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
www.openwall.com/lists/oss-security/2016/01/19/2
www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
www.securityfocus.com/bid/81054
www.securitytracker.com/id/1034701
www.ubuntu.com/usn/USN-2870-1
www.ubuntu.com/usn/USN-2870-2
www.ubuntu.com/usn/USN-2871-1
www.ubuntu.com/usn/USN-2871-2
www.ubuntu.com/usn/USN-2872-1
www.ubuntu.com/usn/USN-2872-2
www.ubuntu.com/usn/USN-2872-3
www.ubuntu.com/usn/USN-2873-1
bto.bluecoat.com/security-advisory/sa112
bugzilla.redhat.com/show_bug.cgi?id=1297475
github.com/torvalds/linux/commit/23567fd052a9abb6d67fe8e7a9ccdd9800a540f2
h20565.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05018265
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05130958
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380
security.netapp.com/advisory/ntap-20160211-0001/
www.exploit-db.com/exploits/39277/
Social References
More
Related
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.4 Medium
AI Score
Confidence
High
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.0004 Low
EPSS
Percentile
0.4%