CVE-2023-20593 Affecting bpftool package, versions <0:4.18.0-477.27.2.el8_8


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.09% (40th percentile)

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  • Snyk IDSNYK-ALMALINUX8-BPFTOOL-5931813
  • published14 Sept 2023
  • disclosed12 Sept 2023

Introduced: 12 Sep 2023

CVE-2023-20593  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 bpftool to version 0:4.18.0-477.27.2.el8_8 or higher.
This issue was patched in ALSA-2023:5244.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.

References

CVSS Scores

version 3.1