CVE-2016-4486

The rtnl_fill_link_ifmap function in net/core/rtnetlink.c in the Linux kernel before 4.5.5 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory by reading a Netlink message.

• CWE-200

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5f8e44741f9f216e33736ea4ec65ca9ac03036e6
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.htmlThird Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.htmlThird Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.htmlThird Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.htmlThird Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
• http://www.debian.org/security/2016/dsa-3607
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5
• http://www.openwall.com/lists/oss-security/2016/05/04/27
• http://www.securityfocus.com/bid/90051
• http://www.ubuntu.com/usn/USN-2989-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-2996-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-2997-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-2998-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-3000-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-3001-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-3002-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-3003-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-3004-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-3005-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-3006-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-3007-1Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1333316Issue Tracking, Third Party Advisory, VDB Entry
• https://github.com/torvalds/linux/commit/5f8e44741f9f216e33736ea4ec65ca9ac03036e6Vendor Advisory
• https://www.exploit-db.com/exploits/46006/
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5f8e44741f9f216e33736ea4ec65ca9ac03036e6
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.htmlThird Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.htmlThird Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.htmlThird Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.htmlThird Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
• http://www.debian.org/security/2016/dsa-3607
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5
• http://www.openwall.com/lists/oss-security/2016/05/04/27
• http://www.securityfocus.com/bid/90051
• http://www.ubuntu.com/usn/USN-2989-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-2996-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-2997-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-2998-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-3000-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-3001-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-3002-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-3003-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-3004-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-3005-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-3006-1Third Party Advisory
• http://www.ubuntu.com/usn/USN-3007-1Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1333316Issue Tracking, Third Party Advisory, VDB Entry
• https://github.com/torvalds/linux/commit/5f8e44741f9f216e33736ea4ec65ca9ac03036e6Vendor Advisory
• https://www.exploit-db.com/exploits/46006/

Published

May 23, 2016

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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