CVE-2020-8991

Name: CVE-2020-8991
Creator: NVD / NIST
Published: 2020-02-14T05:15:13.573+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.3/10EPSS 0.33%

Last modified Jun 17, 2026

CVE-2020-8991 is a low-severity vulnerability rated 2.3/10 on the CVSS scale. 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. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1

2.3/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

EPSS Probability

0.33%

24.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-401

Affected Software

Vendor	Product	Versions
Redhat	Lvm2	2.02.00

References

Timeline

Published: Feb 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8991?

How severe is CVE-2020-8991?

CVE-2020-8991 has a CVSS score of 2.3/10 (LOW severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8991?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-8991?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST