CVE-2022-3534
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk43th percentile - higher than 43% of all known CVEs
Summary
In the Linux kernel up to versions 5.10.162/5.15.85/6.0.15/6.1.1, a vulnerability was found in the libbpf component, in the btf_dump_name_dups function of tools/lib/bpf/btf_dump.c. Manipulation leads to a use-after-free. The issue is fixed in versions 5.10.163, 5.15.86, 6.0.16, 6.1.2, and 6.2.
Risk Assessment
The vulnerability could allow a local attacker to execute code in kernel context or cause a system crash (DoS).
Recommendation
Update the Linux kernel to one of the patched versions: 5.10.163, 5.15.86, 6.0.16, 6.1.2, or 6.2.
Original NVD description (English source)
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.