CVE-2022-3534

Linux Kernel libbpf btf_dump.c btf_dump_name_dups use after free

At a glance

Severity: MEDIUM 5.1
EPSS: EPSS 0.96 % · percentile 61 (2026-10-27)
State: PUBLISHED
Published: 2022-10-17
Updated: 2026-10-14
Assigner: VulDB
NVD status: Modified

Description

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.

Scores

Version	Score	Vector	Scored by
CVSS 4.0	MEDIUM 5.1	CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X	VulDB
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	VulDB
CVSS 3.0	MEDIUM 5.5	CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	VulDB
CVSS 2.0	MEDIUM 4.9	AV:A/AC:M/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C	VulDB
CVSS 4.0	MEDIUM 5.1	CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD · cna@vuldb.com (Secondary)
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L	NVD · cna@vuldb.com (Secondary)
CVSS 3.1	HIGH 8.0	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)
CVSS 2.0	MEDIUM 4.9	AV:A/AC:M/Au:S/C:P/I:P/A:P	NVD · cna@vuldb.com (Secondary)

Weaknesses (CWE)

European references

ENISA EUVD · EUVD-2022-42900
GCVE · GCVE-0-2022-3534

CERT-FR advisories

CERTFR-2025-AVI-1057 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2023-AVI-0453 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.10 < 5.10.163
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.11 < 5.15.86
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.16 < 6.0.16
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 6.1 < 6.1.2

Affected products

Product	Versions
Linux · Kernel	affected 5.10.162 ; affected 5.15.0 ; affected 5.15.1 ; affected 5.15.2 ; affected 5.15.3 ; affected 5.15.4

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD