CVE-2015-8839

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.

• CWE-362

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea3d7209ca01da209cda6f0dea8be9cc4b7a933bVendor Advisory
• http://www.openwall.com/lists/oss-security/2016/04/01/4Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/85798Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1035455Third Party Advisory, VDB Entry
• 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://access.redhat.com/errata/RHSA-2017:1842Third Party Advisory
• https://access.redhat.com/errata/RHSA-2017:2077Third Party Advisory
• https://access.redhat.com/errata/RHSA-2017:2669Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1323577Issue Tracking, Third Party Advisory
• https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933bThird Party Advisory
• https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlThird Party Advisory
• https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlThird Party Advisory
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea3d7209ca01da209cda6f0dea8be9cc4b7a933bVendor Advisory
• http://www.openwall.com/lists/oss-security/2016/04/01/4Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/85798Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1035455Third Party Advisory, VDB Entry
• 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://access.redhat.com/errata/RHSA-2017:1842Third Party Advisory
• https://access.redhat.com/errata/RHSA-2017:2077Third Party Advisory
• https://access.redhat.com/errata/RHSA-2017:2669Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1323577Issue Tracking, Third Party Advisory
• https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933bThird Party Advisory
• https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlThird Party Advisory
• https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlThird Party Advisory

Published

May 2, 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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