CVE-2022-3534

A vulnerability has been found in Linux Kernel up to 5.10.162/5.15.85/6.0.15/6.1.1. The impacted element 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. Upgrading to version 5.10.163, 5.15.86, 6.0.16, 6.1.2 and 6.2 is sufficient to resolve this issue. The identifier of the patch is c61650b869e0b6fb0c0a28ed42d928eea969afc8/fbe08093fb2334549859829ef81d42570812597d/8c64a8e76eb85d422af5ec60ccbf26e3ead8c333/a733bf10198eb5bb927890940de8ab457491ed3b/93c660ca40b5d2f7c1b1626e955a8e9fa30e0749. You should upgrade the affected component.

What this means for your business

It affects Debian Linux. It matters if your company, or a supplier that handles your data, runs it.
An attacker can use it from inside the same network, with an ordinary user login, and without anyone at your company clicking anything.

What to do

1Check whether your company or your suppliers run Debian Linux, and which version. The affected versions are listed further down this page.
2If you do, apply the vendor's fix. A patch or vendor advisory has been published.

Not sure if your company is exposed?

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Scoring

CVSS: 5.5 (v3.1)
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4: 5.1
Weakness: CWE-119
Assigned by: cna@vuldb.com

Dates

Published: 2022-10-17
Last modified: 2026-08-26
Sources: NVD

Affected products

Debian Debian Linux11.0
Linux Linux Kernel5.10 - 5.10.163, 5.11 - 5.15.86, 5.16 - 6.0.16, 6.1 - 6.1.2

As listed in the NVD configuration data. Not a statement about your estate.