CVE-2015-5157 Information

Description

arch/x86/entry/entry_64.S in the Linux kernel before 4.1.6 on the x86_64 platform mishandles IRET faults in processing NMIs that occurred during userspace execution which might allow local users to gain privileges by triggering an NMI.

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0a http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html http://rhn.redhat.com/errata/RHSA-2016-0185.html http://rhn.redhat.com/errata/RHSA-2016-0212.html http://rhn.redhat.com/errata/RHSA-2016-0224.html http://rhn.redhat.com/errata/RHSA-2016-0715.html http://www.debian.org/security/2015/dsa-3313 http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.6 http://www.openwall.com/lists/oss-security/2015/07/22/7 http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html http://www.securityfocus.com/bid/76005 http://www.ubuntu.com/usn/USN-2687-1 http://www.ubuntu.com/usn/USN-2688-1 http://www.ubuntu.com/usn/USN-2689-1 http://www.ubuntu.com/usn/USN-2690-1 http://www.ubuntu.com/usn/USN-2691-1 https://github.com/torvalds/linux/commit/9b6e6a8334d56354853f9c255d1395c2ba570e0a