CVE-2015-8839 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  5.1 MEDIUM
Vector:  CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea3d7209ca01da209cda6f0dea8be9cc4b7a933b Vendor Advisory 
http://www.openwall.com/lists/oss-security/2016/04/01/4 Mailing List  Third Party Advisory 
http://www.securityfocus.com/bid/85798 Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1035455 Third Party Advisory  VDB Entry 
http://www.ubuntu.com/usn/USN-3005-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-3006-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-3007-1 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:1842 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:2077 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:2669 Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=1323577 Issue Tracking  Third Party Advisory 
https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933b Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') cwe source acceptance level NIST  

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Change History

11 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-8839
NVD Published Date:
05/02/2016
NVD Last Modified:
10/02/2020
Source:
MITRE