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CVE-2016-0728

Date: February 7, 2016

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.

Language: C

Severity Score

7.8

Related Resources (47)

Url: http://www.ubuntu.com/usn/USN-2873-1

Url: http://www.ubuntu.com/usn/USN-2872-2

Url: http://www.ubuntu.com/usn/USN-2872-3

Url: http://www.debian.org/security/2016/dsa-3448

Url: http://www.ubuntu.com/usn/USN-2871-1

Url: http://www.ubuntu.com/usn/USN-2870-2

Url: http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1

Url: http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00026.html

Url: http://www.ubuntu.com/usn/USN-2872-1

Url: http://www.ubuntu.com/usn/USN-2871-2

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00038.html

Url: http://www.ubuntu.com/usn/USN-2870-1

Url: https://github.com/torvalds/linux/commit/23567fd052a9abb6d67fe8e7a9ccdd9800a540f2

Url: https://access.redhat.com/security/cve/CVE-2016-0728

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-0728

Url: https://security.netapp.com/advisory/ntap-20160211-0001/

Url: http://source.android.com/security/bulletin/2016-03-01.html

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1297475

Url: http://www.openwall.com/lists/oss-security/2016/01/19/2

Url: http://rhn.redhat.com/errata/RHSA-2016-0068.html

Url: http://perception-point.io/2016/01/14/analysis-and-exploitation-of-a-linux-kernel-vulnerability-cve-2016-0728/

Url: https://security-tracker.debian.org/tracker/CVE-2016-0728

Url: http://rhn.redhat.com/errata/RHSA-2016-0065.html

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

Url: https://h20565.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05018265

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00043.html

Url: https://bto.bluecoat.com/security-advisory/sa112

Url: http://www.securityfocus.com/bid/81054

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00035.html

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

Url: http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00012.html

Url: http://www.securitytracker.com/id/1034701

Url: http://rhn.redhat.com/errata/RHSA-2016-0064.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.html

Url: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=23567fd052a9abb6d67fe8e7a9ccdd9800a540f2

Url: https://www.exploit-db.com/exploits/39277/

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-0728

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00044.html

Url: http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00034.html

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

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00041.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00033.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00045.html

Url: https://www.mend.io/vulnerability-database/CVE-2016-0728

Severity Score

7.8

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.2
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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CVE-2016-0728

Date: February 7, 2016

Language: C

Severity Score

Related Resources (47)

Severity Score

CVSS v3.1

CVSS v2

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