Improper Locking Affecting perf package, versions <0:6.1.52-71.125.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-AMZN2023-PERF-5912404
  • published21 Sept 2023
  • disclosed23 Jul 2023

Introduced: 23 Jul 2023

CVE-2023-2430  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 perf to version 0:6.1.52-71.125.amzn2023 or higher.
This issue was patched in ALAS2023-2023-349.

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 vulnerability was found due to missing lock for IOPOLL flaw in io_cqring_event_overflow() in io_uring.c in Linux Kernel. This flaw allows a local attacker with user privilege to trigger a Denial of Service threat.

CVSS Scores

version 3.1