Description** DISPUTED ** 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitylow

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
lvm2 (PTS)stretch2.02.168-2vulnerable
bookworm, sid, bullseye2.03.11-2.1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[stretch] - lvm2 <no-dsa> (Minor issue)
[jessie] - lvm2 <no-dsa> (Minor issue);a=commit;h=bcf9556b8fcd16ad8997f80cc92785f295c66701
2.03.00 upstream removed lvmetad (and the still vulnerable code)

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