vg_lookup in daemons/lvmetad/lvmetad-core.c in LVM2 2.02 mismanages memory, leading to an lvmetad memory leak, as demonstrated by running pvs. NOTE: RedHat disputes CVE-2020-8991 as not being a vulnerability since there’s no apparent route to either privilege escalation or to denial of service through the bug
https://sourceware.org/git/?p=lvm2.git%3Ba=commit%3Bh=bcf9556b8fcd16ad8997f80cc92785f295c66701