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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.003 (23.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-8991: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.