Improper Input Validation Affecting perf package, versions <0:4.9.62-21.56.amzn1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.42% (33rd percentile)

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  • Snyk IDSNYK-AMZN201803-PERF-1709314
  • published27 Sept 2021
  • disclosed28 Oct 2017

Introduced: 28 Oct 2017

CVE-2017-15951  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 perf to version 0:4.9.62-21.56.amzn1 or higher.
This issue was patched in ALAS-2017-925.

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.

The KEYS subsystem in the Linux kernel before 4.13.10 does not correctly synchronize the actions of updating versus finding a key in the "negative" state to avoid a race condition, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls.

CVSS Base Scores

version 3.1