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Status published
Medium
CVE-2015-8839
Multiple race conditions in the ext4 filesystem implementation in the...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1323577
- http://www.ubuntu.com/usn/USN-3006-1
- http://www.securitytracker.com/id/1035455
- https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933b
- http://www.ubuntu.com/usn/USN-3005-1
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea3d7209ca01da209cda6f0dea8be9cc4b7a933b
- https://access.redhat.com/errata/RHSA-2017:2669
- http://www.openwall.com/lists/oss-security/2016/04/01/4
- http://www.securityfocus.com/bid/85798
- https://access.redhat.com/errata/RHSA-2017:2077
- http://www.ubuntu.com/usn/USN-3007-1
- https://access.redhat.com/errata/RHSA-2017:1842
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
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Affected Vendor
linux
View all reports →Affected Software
linux kernel, ubuntu linux
Vulnerable Versions:
0, 4.5, 14.04, 16.04
Timeline
Official Publish:
May 2nd, 2016
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.