CVE-2015-8839
Moderate
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.
Exploit probability
0.4%
Published
May 2, 2016
Required by
Not available
Last source change
April 10, 2026
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2015-8839
View original source
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.
05 / REFERENCES
Further evidence
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea3d7209ca01da209cda6f0dea8be9cc4b7a933b
- http://www.openwall.com/lists/oss-security/2016/04/01/4
- http://www.securityfocus.com/bid/85798
- 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
- https://access.redhat.com/errata/RHSA-2017:1842
- https://access.redhat.com/errata/RHSA-2017:2077
- https://access.redhat.com/errata/RHSA-2017:2669
- https://bugzilla.redhat.com/show_bug.cgi?id=1323577
- https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933b
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html