Incomplete Cleanup Affecting bpftool package, versions <0:5.15.73-45.135.amzn2022


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-AMZN2022-BPFTOOL-3103633
  • published4 Nov 2022
  • disclosed5 Jul 2022

Introduced: 5 Jul 2022

CVE-2022-33743  (opens in a new tab)
CWE-459  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2022 bpftool to version 0:5.15.73-45.135.amzn2022 or higher.
This issue was patched in ALAS2022-2022-185.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2022 relevant fixed versions and status.

network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having references (pointers) retained for further processing to nevertheless be freed.

CVSS Scores

version 3.1