Race Condition Affecting kernel-rt-debug-kvm package, versions <0:3.10.0-693.rt56.617.el7


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.14% (52nd percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELRTDEBUGKVM-2088780
  • published26 Jul 2021
  • disclosed31 Mar 2016

Introduced: 31 Mar 2016

CVE-2015-8839  (opens in a new tab)
CWE-362  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Centos:7 kernel-rt-debug-kvm to version 0:3.10.0-693.rt56.617.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-kvm package and not the kernel-rt-debug-kvm package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

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.

CVSS Scores

version 3.1