CVE-2022-3534

Linux Kernel libbpf btf_dump.c btf_dump_name_dups use after free

Published Oct 17, 2022 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Linux

Kernel

affected

Version	Status	Constraints
`5.10.162`	affected	—
`5.15.0`	affected	—
`5.15.1`	affected	—
`5.15.2`	affected	—
`5.15.3`	affected	—
`5.15.4`	affected	—
`5.15.5`	affected	—
`5.15.6`	affected	—
`5.15.7`	affected	—
`5.15.8`	affected	—
`5.15.9`	affected	—
`5.15.10`	affected	—
`5.15.11`	affected	—
`5.15.12`	affected	—
`5.15.13`	affected	—
`5.15.14`	affected	—
`5.15.15`	affected	—
`5.15.16`	affected	—
`5.15.17`	affected	—
`5.15.18`	affected	—
`5.15.19`	affected	—
`5.15.20`	affected	—
`5.15.21`	affected	—
`5.15.22`	affected	—
`5.15.23`	affected	—
`5.15.24`	affected	—
`5.15.25`	affected	—
`5.15.26`	affected	—
`5.15.27`	affected	—
`5.15.28`	affected	—
`5.15.29`	affected	—
`5.15.30`	affected	—
`5.15.31`	affected	—
`5.15.32`	affected	—
`5.15.33`	affected	—
`5.15.34`	affected	—
`5.15.35`	affected	—
`5.15.36`	affected	—
`5.15.37`	affected	—
`5.15.38`	affected	—
`5.15.39`	affected	—
`5.15.40`	affected	—
`5.15.41`	affected	—
`5.15.42`	affected	—
`5.15.43`	affected	—
`5.15.44`	affected	—
`5.15.45`	affected	—
`5.15.46`	affected	—
`5.15.47`	affected	—
`5.15.48`	affected	—
`5.15.49`	affected	—
`5.15.50`	affected	—
`5.15.51`	affected	—
`5.15.52`	affected	—
`5.15.53`	affected	—
`5.15.54`	affected	—
`5.15.55`	affected	—
`5.15.56`	affected	—
`5.15.57`	affected	—
`5.15.58`	affected	—
`5.15.59`	affected	—
`5.15.60`	affected	—
`5.15.61`	affected	—
`5.15.62`	affected	—
`5.15.63`	affected	—
`5.15.64`	affected	—
`5.15.65`	affected	—
`5.15.66`	affected	—
`5.15.67`	affected	—
`5.15.68`	affected	—
`5.15.69`	affected	—
`5.15.70`	affected	—
`5.15.71`	affected	—
`5.15.72`	affected	—
`5.15.73`	affected	—
`5.15.74`	affected	—
`5.15.75`	affected	—
`5.15.76`	affected	—
`5.15.77`	affected	—
`5.15.78`	affected	—
`5.15.79`	affected	—
`5.15.80`	affected	—
`5.15.81`	affected	—
`5.15.82`	affected	—
`5.15.83`	affected	—
`5.15.84`	affected	—
`5.15.85`	affected	—
`6.0.0`	affected	—
`6.0.1`	affected	—
`6.0.2`	affected	—
`6.0.3`	affected	—
`6.0.4`	affected	—
`6.0.5`	affected	—
`6.0.6`	affected	—
`6.0.7`	affected	—
`6.0.8`	affected	—
`6.0.9`	affected	—
`6.0.10`	affected	—
`6.0.11`	affected	—
`6.0.12`	affected	—
`6.0.13`	affected	—
`6.0.14`	affected	—
`6.0.15`	affected	—
`6.1.0`	affected	—
`6.1.1`	affected	—
`5.10.163`	unaffected	—
`5.15.86`	unaffected	—
`6.0.16`	unaffected	—
`6.1.2`	unaffected	—
`6.2`	unaffected	—

Configuration 1 [-]

OR	cpe:2.3:o:debian:debian_linux:11.0:::::::*
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
Debian DLA	DLA-4137-1	libbpf security update
EUVD	EUVD-2022-42900	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.
Ubuntu USN	USN-5759-1	LibBPF vulnerabilities
Ubuntu USN	USN-5759-2	LibBPF vulnerabilities
Ubuntu USN	USN-6215-1	dwarves vulnerabilities

Metrics

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Adjacent Network

Access Complexity Medium

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.963% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://cert-portal.siemens.com/productcert/html/ssa-794697.html
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=93c660ca40b5d2f7c1b1626e955a8e9fa30e0749
https://lists.debian.org/debian-lts-announce/2025/04/msg00033.html
https://nvd.nist.gov/vuln/detail/CVE-2022-3534
https://vuldb.com/?id.211032
https://vuldb.com/cve/CVE-2022-3534
https://vuldb.com/vuln/211032
https://vuldb.com/vuln/211032/cti
https://www.cve.org/CVERecord?id=CVE-2022-3534
https://www.kernel.org/

History

Oct 14, 2026 2:30 PM Added references View changes

Type	Values Removed	Values Added
References		https://cert-portal.siemens.com/productcert/html/ssa-794697.html

Aug 26, 2026 6:15 PM First appearance in the feed. Affected versions updated. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Debian Debian debian Linux
CPEs	cpe:2.3:o:linux:linux_kernel:-:::::::*	cpe:2.3:o:debian:debian_linux:11.0:::::::* cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Debian Debian debian Linux

Jul 28, 2026 5:30 PM Description updated. First appearance in the feed. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description	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.	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.
First Time appeared		Linux kernel
CPEs		cpe:2.3:o:linux:kernel::::::::
Vendors & Products		Linux kernel
References		https://vuldb.com/cve/CVE-2022-3534 https://vuldb.com/vuln/211032 https://vuldb.com/vuln/211032/cti https://www.kernel.org/
Metrics	cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'}`	cvssV2_0 `{'score': 4.9, 'vector': 'AV:A/AC:M/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C'}` cvssV3_0 `{'score': 5.5, 'vector': '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'}` cvssV4_0 `{'score': 5.1, 'vector': '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'}` cvssV3_1 `{'score': 5.5, 'vector': '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'}`