Buffer overflow in Linux Kernel
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.
Vulnerability class: Buffer Overflow
EPSS: 0.005 (42.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Linux Kernel — versions 6.0.15, 5.15.70, 5.15.37
- Linux Linux_kernel
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@vuldb.com (Patch, patch, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Permissions Required, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2022-3534?
- CVE-2022-3534 is a medium-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2022-10-17.
- How severe is CVE-2022-3534?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-3534 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.