CVE ID:	CVE-2016-6828
Description:	The tcp_check_send_head function in include/net/tcp.h in the Linux kernel before 4.7.5 does not properly maintain certain SACK state after a failed data copy, which allows local users to cause a denial of service (tcp_xmit_retransmit_queue use-after-free and system crash) via a crafted SACK option.
Test IDs:	1.3.6.1.4.1.25623.1.0.120729   1.3.6.1.4.1.25623.1.1.1.2.2016.609   1.3.6.1.4.1.25623.1.0.809178   1.3.6.1.4.1.25623.1.0.809179   1.3.6.1.4.1.25623.1.0.703659
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2016-6828 92452 http://www.securityfocus.com/bid/92452 RHSA-2017:0036 http://rhn.redhat.com/errata/RHSA-2017-0036.html RHSA-2017:0086 http://rhn.redhat.com/errata/RHSA-2017-0086.html RHSA-2017:0091 http://rhn.redhat.com/errata/RHSA-2017-0091.html RHSA-2017:0113 http://rhn.redhat.com/errata/RHSA-2017-0113.html [oss-security] 20160815 Linux tcp_xmit_retransmit_queue use after free on 4.8-rc1 / master http://www.openwall.com/lists/oss-security/2016/08/15/1 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bb1fceca22492109be12640d49f5ea5a544c6bb4 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bb1fceca22492109be12640d49f5ea5a544c6bb4 http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.5 http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.7.5 https://bugzilla.redhat.com/show_bug.cgi?id=1367091 https://bugzilla.redhat.com/show_bug.cgi?id=1367091 https://github.com/torvalds/linux/commit/bb1fceca22492109be12640d49f5ea5a544c6bb4 https://github.com/torvalds/linux/commit/bb1fceca22492109be12640d49f5ea5a544c6bb4 https://marcograss.github.io/security/linux/2016/08/18/cve-2016-6828-linux-kernel-tcp-uaf.html https://marcograss.github.io/security/linux/2016/08/18/cve-2016-6828-linux-kernel-tcp-uaf.html https://source.android.com/security/bulletin/2016-11-01.html https://source.android.com/security/bulletin/2016-11-01.html