CVE-2022-3534

Linux Kernel libbpf btf_dump.c btf_dump_name_dups use after free

State: Published
Severity: 5.1 Medium
Published: Oct 17, 2022
Updated: Oct 14, 2026
Reserved: Oct 17, 2022

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

CVSS	Score	Vector	Source
4.0	5.1 Medium	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
3.1	5.5 Medium	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
3.0	5.5 Medium	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
2.0	4.9 Medium	AV:A/AC:M/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C	VulDB

Weaknesses

CWE-416 Use After Free
CWE-119 Memory Corruption

Affected Products

Product	Versions
KernelLinux	5.10.162Affected 5.15.0Affected 5.15.1Affected 5.15.2Affected 5.15.3Affected 5.15.4Affected 5.15.5Affected 5.15.6Affected 5.15.7Affected 5.15.8Affected 5.15.9Affected 5.15.10Affected 5.15.11Affected 5.15.12Affected 5.15.13Affected 5.15.14Affected 5.15.15Affected 5.15.16Affected 5.15.17Affected 5.15.18Affected 5.15.19Affected 5.15.20Affected 5.15.21Affected 5.15.22Affected 5.15.23Affected and 85 more versions

Product

Versions

KernelLinux

5.10.162Affected
5.15.0Affected
5.15.1Affected
5.15.2Affected
5.15.3Affected
5.15.4Affected
5.15.5Affected
5.15.6Affected
5.15.7Affected
5.15.8Affected
5.15.9Affected
5.15.10Affected
5.15.11Affected
5.15.12Affected
5.15.13Affected
5.15.14Affected
5.15.15Affected
5.15.16Affected
5.15.17Affected
5.15.18Affected
5.15.19Affected
5.15.20Affected
5.15.21Affected
5.15.22Affected
5.15.23Affected
and 85 more versions

References

VDB-211032 | Linux Kernel libbpf btf_dump.c btf_dump_name_dups use after freevdb-entrytechnical-description
VDB-211032 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2022-3534 | CVE Analysis and Reportthird-party-advisory
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=93c660ca40b5d2f7c1b1626e955a8e9fa30e0749patch
https://www.kernel.org/product
https://vuldb.com/?id.211032
https://lists.debian.org/debian-lts-announce/2025/04/msg00033.html
https://cert-portal.siemens.com/productcert/html/ssa-794697.html

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