High severity · published Oct 17, 2022
CVE-2022-3534
Linux Kernel libbpf btf_dump.c btf_dump_name_dups use after free
8.0
CVSS
1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
5.10.162; 5.15.0; 5.15.1; 5.15.2; 5.15.3; 5.15.4; +34 more · source: vendor, NVD
DL
Debian Linux · Debian
11.0 · source: NVD
SS
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · Siemens
before V1.1 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-3534
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-3534
Patch
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=93c660ca40b5d2f7c1b1626e955a8e9fa30e0749
Third Party Advisory
https://vuldb.com/cve/CVE-2022-3534
Third Party Advisory
https://vuldb.com/vuln/211032
Third Party Advisory
https://vuldb.com/vuln/211032/cti
Product
https://www.kernel.org/
Mailing List
https://lists.debian.org/debian-lts-announce/2025/04/msg00033.html
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