What is CVE-2020-8991?

CVE-2020-8991 is a low-severity vulnerability in Red Hat Lvm2, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 2.3/10. Published 2020-02-14.

How severe is CVE-2020-8991?

Low severity. CVSS v3 base score is 2.3 out of 10.

Is CVE-2020-8991 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Red Hat Lvm2

CVE-2020-8991

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: 0.003 (25.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L.

Affected products

Redhat Lvm2 — versions 2.02.00
N/a — versions n/a

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-8991?: CVE-2020-8991 is a low-severity vulnerability in Red Hat Lvm2, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 2.3/10. Published 2020-02-14.
How severe is CVE-2020-8991?: Low severity. CVSS v3 base score is 2.3 out of 10.
Is CVE-2020-8991 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.