Information Exposure Affecting kernel package, versions <0:3.4.57-48.42.amzn1


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.12% (49th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNEL-1669762
  • published27 Sept 2021
  • disclosed15 Mar 2013

Introduced: 15 Mar 2013

CVE-2012-6548  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel to version 0:3.4.57-48.42.amzn1 or higher.
This issue was patched in ALAS-2013-218.

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.

The udf_encode_fh function in fs/udf/namei.c in the Linux kernel before 3.6 does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel heap memory via a crafted application.

CVSS Scores

version 3.1