ALAS2-2022-1889


Amazon Linux 2 Security Advisory: ALAS-2022-1889
Advisory Release Date: 2022-12-01 20:31 Pacific
Advisory Updated Date: 2022-12-06 22:40 Pacific
Severity: Important

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