{"id":"CVE-2015-8839","details":"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.","modified":"2025-08-09T19:01:27Z","published":"2016-05-02T10:59:22Z","references":[{"type":"ADVISORY","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea3d7209ca01da209cda6f0dea8be9cc4b7a933b"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2016/04/01/4"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/85798"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1035455"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3005-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3006-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3007-1"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:1842"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2077"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2669"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1323577"},{"type":"ADVISORY","url":"https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933b"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html"}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}