CVE-2020-8991
lvm2: memory leak in vg_lookup in daemons/lvmetad/lvmetad-core.c
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 5, 2020
Updated · November 22, 2025
Description
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
Statement
The lvm2 package as shipped with Red Hat Enterprise Linux 8 is not affected as it doesn't contains the affected component (lvmetad).
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 2.3CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
CWE-772 · Missing Release of Resource after Effective Lifetime