Important: libbpf

Issue Overview:

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. (CVE-2022-3534)

Affected Packages:

libbpf

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update libbpf to update your system.

New Packages:

aarch64:  
    libbpf-0.5.0-2.amzn2.0.3.aarch64  
    libbpf-devel-0.5.0-2.amzn2.0.3.aarch64  
    libbpf-static-0.5.0-2.amzn2.0.3.aarch64  
    libbpf-debuginfo-0.5.0-2.amzn2.0.3.aarch64  
  
i686:  
    libbpf-0.5.0-2.amzn2.0.3.i686  
    libbpf-devel-0.5.0-2.amzn2.0.3.i686  
    libbpf-static-0.5.0-2.amzn2.0.3.i686  
    libbpf-debuginfo-0.5.0-2.amzn2.0.3.i686  
  
src:  
    libbpf-0.5.0-2.amzn2.0.3.src  
  
x86_64:  
    libbpf-0.5.0-2.amzn2.0.3.x86_64  
    libbpf-devel-0.5.0-2.amzn2.0.3.x86_64  
    libbpf-static-0.5.0-2.amzn2.0.3.x86_64  
    libbpf-debuginfo-0.5.0-2.amzn2.0.3.x86_64  

Additional References

Red Hat: CVE-2022-3534

Mitre: CVE-2022-3534