Use After Free Affecting libbpf-debuginfo package, versions <0:0.5.0-2.amzn2.0.3


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-AMZN2-LIBBPFDEBUGINFO-3160144
  • published7 Dec 2022
  • disclosed17 Oct 2022

Introduced: 17 Oct 2022

CVE-2022-3534  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 libbpf-debuginfo to version 0:0.5.0-2.amzn2.0.3 or higher.
This issue was patched in ALAS2-2022-1889.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libbpf-debuginfo package and not the libbpf-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

A vulnerability classified as critical has been found in Linux Kernel. Affected is the function btf_dump_name_dups of the file tools/lib/bpf/btf_dump.c of the component libbpf. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211032.

CVSS Scores

version 3.1