CVE-2016-0728

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

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

References

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

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