Race Condition Affecting kernel-headers package, versions <0:4.4.10-22.54.amzn1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.14% (52nd percentile)

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  • Snyk IDSNYK-AMZN201803-KERNELHEADERS-1697414
  • published27 Sept 2021
  • disclosed2 May 2016

Introduced: 2 May 2016

CVE-2015-8839  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel-headers to version 0:4.4.10-22.54.amzn1 or higher.
This issue was patched in ALAS-2016-703.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-headers package and not the kernel-headers package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 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