CVE ID:	CVE-2015-8839
Description:	Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole punching and page- fault handling.
Test IDs:	1.3.6.1.4.1.25623.1.0.892241
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2015-8839 BugTraq ID: 85798 http://www.securityfocus.com/bid/85798 https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html http://www.openwall.com/lists/oss-security/2016/04/01/4 RedHat Security Advisories: RHSA-2017:1842 https://access.redhat.com/errata/RHSA-2017:1842 RedHat Security Advisories: RHSA-2017:2077 https://access.redhat.com/errata/RHSA-2017:2077 RedHat Security Advisories: RHSA-2017:2669 https://access.redhat.com/errata/RHSA-2017:2669 http://www.securitytracker.com/id/1035455 http://www.ubuntu.com/usn/USN-3005-1 http://www.ubuntu.com/usn/USN-3006-1 http://www.ubuntu.com/usn/USN-3007-1