Improper Update of Reference Count Affecting perf package, versions <0:6.1.10-15.42.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.52% (77th percentile)

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  • Snyk IDSNYK-AMZN2023-PERF-5600763
  • published25 May 2023
  • disclosed24 Apr 2023

Introduced: 24 Apr 2023

CVE-2023-2019  (opens in a new tab)
CWE-911  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 perf to version 0:6.1.10-15.42.amzn2023 or higher.
This issue was patched in ALAS2023-2023-070.

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:2023 relevant fixed versions and status.

A flaw was found in the Linux kernel's netdevsim device driver, within the scheduling of events. This issue results from the improper management of a reference count. This may allow an attacker to create a denial of service condition on the system.

CVSS Scores

version 3.1