CVE-2016-0728

    Dashboard / Vulnerabilities / CVE-2016-0728

    CVE-2016-0728

    Published: 8 Feb 2016Last Modified: 16 Apr 2026

    Summary:

    Details: 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: http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html, http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00026.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00034.html, http://rhn.redhat.com/errata/RHSA-2016-0064.html, http://rhn.redhat.com/errata/RHSA-2016-0068.html, http://www.openwall.com/lists/oss-security/2016/01/19/2, http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html, http://www.securitytracker.com/id/1034701, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=23567fd052a9abb6d67fe8e7a9ccdd9800a540f2, http://www.ubuntu.com/usn/USN-2870-2, https://security.netapp.com/advisory/ntap-20160211-0001/, http://www.securityfocus.com/bid/81054, http://www.ubuntu.com/usn/USN-2872-2, http://www.ubuntu.com/usn/USN-2872-3, https://bto.bluecoat.com/security-advisory/sa112, https://h20565.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05018265, https://www.exploit-db.com/exploits/39277/, http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00035.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00045.html, http://www.debian.org/security/2016/dsa-3448, https://github.com/torvalds/linux/commit/23567fd052a9abb6d67fe8e7a9ccdd9800a540f2, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00033.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00043.html, http://rhn.redhat.com/errata/RHSA-2016-0065.html, http://source.android.com/security/bulletin/2016-03-01.html, http://www.ubuntu.com/usn/USN-2871-1, http://www.ubuntu.com/usn/USN-2871-2, http://www.ubuntu.com/usn/USN-2872-1, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00038.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00044.html, http://www.ubuntu.com/usn/USN-2870-1, http://www.ubuntu.com/usn/USN-2873-1, https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380, http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00012.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00041.html, http://perception-point.io/2016/01/14/analysis-and-exploitation-of-a-linux-kernel-vulnerability-cve-2016-0728/, http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1, https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05130958, https://bugzilla.redhat.com/show_bug.cgi?id=1297475

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v2.6.12-rc2
    v2.6.12-rc3
    v2.6.12-rc4
    v2.6.13
    v2.6.13-rc1
    v2.6.13-rc2
    v2.6.13-rc3
    v2.6.13-rc4
    v2.6.13-rc5
    v2.6.13-rc6
    v2.6.13-rc7
    v2.6.14-rc1
    v2.6.14-rc2
    v2.6.14-rc3
    v2.6.15-rc1
    v2.6.15-rc2
    v2.6.15-rc4
    v2.6.15-rc5
    v2.6.15-rc7
    v2.6.16
    v2.6.16-rc1
    v2.6.16-rc2
    v2.6.16-rc3
    v2.6.16-rc4
    v2.6.16-rc5
    v2.6.16-rc6
    v2.6.17
    v2.6.17-rc1
    v2.6.17-rc2
    v2.6.17-rc3
    v2.6.17-rc4
    v2.6.17-rc5
    v2.6.17-rc6
    v2.6.18
    v2.6.18-rc1
    v2.6.18-rc2
    v2.6.18-rc3
    v2.6.18-rc5
    v2.6.18-rc6
    v2.6.19-rc1
    v2.6.19-rc2
    v2.6.20-rc1
    v2.6.20-rc2
    v2.6.20-rc3
    v2.6.20-rc4
    v2.6.20-rc5
    v2.6.20-rc6
    v2.6.20-rc7
    v2.6.21
    v2.6.21-rc1
    v2.6.21-rc2
    v2.6.21-rc3
    v2.6.21-rc4
    v2.6.21-rc5
    v2.6.21-rc6
    v2.6.21-rc7
    v2.6.22
    v2.6.22-rc1
    v2.6.22-rc2
    v2.6.22-rc3
    v2.6.22-rc4
    v2.6.22-rc5
    v2.6.22-rc6
    v2.6.22-rc7
    v2.6.23
    v2.6.23-rc1
    v2.6.23-rc2
    v2.6.23-rc3
    v2.6.23-rc4
    v2.6.23-rc5
    v2.6.23-rc6
    v2.6.23-rc7
    v2.6.23-rc8
    v2.6.23-rc9
    v2.6.24
    v2.6.24-rc1
    v2.6.24-rc2
    v2.6.24-rc3
    v2.6.24-rc4
    v2.6.24-rc5
    v2.6.24-rc6
    v2.6.24-rc7
    v2.6.24-rc8
    v2.6.25
    v2.6.25-rc1
    v2.6.25-rc2
    v2.6.25-rc3
    v2.6.25-rc4
    v2.6.25-rc5
    v2.6.25-rc6
    v2.6.25-rc7
    v2.6.25-rc8
    v2.6.25-rc9
    v2.6.26
    v2.6.26-rc1
    v2.6.26-rc2
    v2.6.26-rc3
    v2.6.26-rc4
    v2.6.26-rc5
    v2.6.26-rc6
    v2.6.26-rc7
    v2.6.26-rc8
    v2.6.26-rc9
    v2.6.27
    v2.6.27-rc1
    v2.6.27-rc2
    v2.6.27-rc3
    v2.6.27-rc4
    v2.6.27-rc5
    v2.6.27-rc6
    v2.6.27-rc7
    v2.6.27-rc8
    v2.6.27-rc9
    v2.6.28
    v2.6.28-rc1
    v2.6.28-rc2
    v2.6.28-rc3
    v2.6.28-rc4
    v2.6.28-rc5
    v2.6.28-rc6
    v2.6.28-rc7
    v2.6.28-rc8
    v2.6.28-rc9
    v2.6.29
    v2.6.29-rc1
    v2.6.29-rc2
    v2.6.29-rc3
    v2.6.29-rc4
    v2.6.29-rc5
    v2.6.29-rc6
    v2.6.29-rc7
    v2.6.29-rc8
    v2.6.30
    v2.6.30-rc1
    v2.6.30-rc2
    v2.6.30-rc3
    v2.6.30-rc4
    v2.6.30-rc5
    v2.6.30-rc6
    v2.6.30-rc7
    v2.6.30-rc8
    v2.6.31
    v2.6.31-rc1
    v2.6.31-rc2
    v2.6.31-rc3
    v2.6.31-rc4
    v2.6.31-rc5
    v2.6.31-rc6
    v2.6.31-rc7
    v2.6.31-rc8
    v2.6.31-rc9
    v2.6.32
    v2.6.32-rc1
    v2.6.32-rc2
    v2.6.32-rc3
    v2.6.32-rc4
    v2.6.32-rc5
    v2.6.32-rc6
    v2.6.32-rc7
    v2.6.32-rc8
    v2.6.33
    v2.6.33-rc1
    v2.6.33-rc2
    v2.6.33-rc3
    v2.6.33-rc4
    v2.6.33-rc5
    v2.6.33-rc6
    v2.6.33-rc7
    v2.6.33-rc8
    v2.6.34
    v2.6.34-rc1
    v2.6.34-rc2
    v2.6.34-rc3
    v2.6.34-rc4
    v2.6.34-rc5
    v2.6.34-rc6
    v2.6.34-rc7
    v2.6.35
    v2.6.35-rc1
    v2.6.35-rc2
    v2.6.35-rc3
    v2.6.35-rc4
    v2.6.35-rc5
    v2.6.35-rc6
    v2.6.36
    v2.6.36-rc1
    v2.6.36-rc2
    v2.6.36-rc3
    v2.6.36-rc4
    v2.6.36-rc5
    v2.6.36-rc6
    v2.6.36-rc7
    v2.6.36-rc8
    v2.6.37
    v2.6.37-rc1
    v2.6.37-rc2
    v2.6.37-rc3
    v2.6.37-rc4
    v2.6.37-rc5
    v2.6.37-rc6
    v2.6.37-rc7
    v2.6.37-rc8
    v2.6.38
    v2.6.38-rc1
    v2.6.38-rc2
    v2.6.38-rc3
    v2.6.38-rc4
    v2.6.38-rc5
    v2.6.38-rc6
    v2.6.38-rc7
    v2.6.38-rc8
    v2.6.39
    v2.6.39-rc1
    v2.6.39-rc2
    v2.6.39-rc3
    v2.6.39-rc4
    v2.6.39-rc5
    v2.6.39-rc6
    v2.6.39-rc7

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High