Veracode Vulnerability DatabaseVERACODE:16632Integer Overflow
0.0004 Low
EPSS
Percentile
0.4%
The kernel packages contain the Linux kernel, the core of any Linux operating system. * A use-after-free flaw was found in the way the Linux kernelโs key management subsystem handled keyring object reference counting in certain error path of the join_session_keyring() function. A local, unprivileged user could use this flaw to escalate their privileges on the system. (CVE-2016-0728, Important) Red Hat would like to thank the Perception Point research team for reporting this issue. All kernel-rt users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. The system must be rebooted for this update to take effect.
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
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lists.opensuse.org/opensuse-security-announce/2016-03/msg00035.html
lists.opensuse.org/opensuse-security-announce/2016-03/msg00038.html
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lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html
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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/
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access.redhat.com/security/cve/CVE-2013-7421
access.redhat.com/security/cve/CVE-2014-8171
access.redhat.com/security/cve/CVE-2014-9644
access.redhat.com/security/cve/CVE-2015-2925
access.redhat.com/security/cve/CVE-2016-0728
access.redhat.com/security/updates/classification/#important
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/
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