CVE-2015-5157

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.

• CWE-264

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0aMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.htmlThird Party Advisory, VDB Entry
• http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.htmlThird Party Advisory, VDB Entry
• http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.htmlThird Party Advisory, VDB Entry
• http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.htmlThird Party Advisory, VDB Entry
• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.htmlThird Party Advisory, VDB Entry
• http://rhn.redhat.com/errata/RHSA-2016-0185.htmlThird Party Advisory, VDB Entry
• http://rhn.redhat.com/errata/RHSA-2016-0212.htmlThird Party Advisory, VDB Entry
• http://rhn.redhat.com/errata/RHSA-2016-0224.htmlThird Party Advisory, VDB Entry
• http://rhn.redhat.com/errata/RHSA-2016-0715.htmlThird Party Advisory, VDB Entry
• http://www.debian.org/security/2015/dsa-3313Third Party Advisory, VDB Entry
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.6Vendor Advisory
• http://www.openwall.com/lists/oss-security/2015/07/22/7Mailing List
• http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlThird Party Advisory
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlThird Party Advisory
• http://www.securityfocus.com/bid/76005Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-2687-1Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-2688-1Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-2689-1Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-2690-1Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-2691-1Third Party Advisory, VDB Entry
• https://github.com/torvalds/linux/commit/9b6e6a8334d56354853f9c255d1395c2ba570e0aThird Party Advisory
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0aMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.htmlThird Party Advisory, VDB Entry
• http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.htmlThird Party Advisory, VDB Entry
• http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.htmlThird Party Advisory, VDB Entry
• http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.htmlThird Party Advisory, VDB Entry
• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.htmlThird Party Advisory, VDB Entry
• http://rhn.redhat.com/errata/RHSA-2016-0185.htmlThird Party Advisory, VDB Entry
• http://rhn.redhat.com/errata/RHSA-2016-0212.htmlThird Party Advisory, VDB Entry
• http://rhn.redhat.com/errata/RHSA-2016-0224.htmlThird Party Advisory, VDB Entry
• http://rhn.redhat.com/errata/RHSA-2016-0715.htmlThird Party Advisory, VDB Entry
• http://www.debian.org/security/2015/dsa-3313Third Party Advisory, VDB Entry
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.6Vendor Advisory
• http://www.openwall.com/lists/oss-security/2015/07/22/7Mailing List
• http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlThird Party Advisory
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlThird Party Advisory
• http://www.securityfocus.com/bid/76005Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-2687-1Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-2688-1Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-2689-1Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-2690-1Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/USN-2691-1Third Party Advisory, VDB Entry
• https://github.com/torvalds/linux/commit/9b6e6a8334d56354853f9c255d1395c2ba570e0aThird Party Advisory

Published

Aug 31, 2015

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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