Information Exposure Affecting perf package, versions <0:2.6.35.14-106.49.amzn1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN201803-PERF-1661974
  • published27 Sept 2021
  • disclosed13 Jun 2012

Introduced: 13 Jun 2012

CVE-2011-2494  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 perf to version 0:2.6.35.14-106.49.amzn1 or higher.
This issue was patched in ALAS-2011-26.

NVD Description

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

kernel/taskstats.c in the Linux kernel before 3.1 allows local users to obtain sensitive I/O statistics by sending taskstats commands to a netlink socket, as demonstrated by discovering the length of another user's password.

CVSS Scores

version 3.1