Race Condition Affecting kernel package, versions <0:3.2.34-55.46.amzn1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNEL-1666076
  • published27 Sept 2021
  • disclosed21 Dec 2012

Introduced: 21 Dec 2012

CVE-2012-4508  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel to version 0:3.2.34-55.46.amzn1 or higher.
This issue was patched in ALAS-2012-142.

NVD Description

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

Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from a deleted file by reading an extent that was not properly marked as uninitialized.

CVSS Scores

version 3.1