Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.
From ELSA-2022-0892:
[3.3.3-3] - Do not follow symlinks when processing the fixup list (CVE-2021-31566) [3.3.3-2] - Fix handling of symbolic link ACLs (CVE-2021-23177)
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