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CVE-2020-8991

14
FAUCET Score

CVE-2020-8991 describes a memory leak in the vg_lookup function within the lvmetad-core.c component of LVM2 2.02, specifically affecting Red Hat LVM2 products. This vulnerability has a low CVSS score of 2.3, indicating a local attack vector with high privileges required, and its primary impact is a low availability concern due to the memory leak. Despite being a memory mismanagement issue (CWE-401), Red Hat disputes its classification as a vulnerability due to the lack of apparent routes to privilege escalation or denial of service. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.02.00CPE matchmatch criteria
cpe:2.3:a:redhat:lvm2:2.02.00:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

2.3LOW

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
0.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.33%
Probability of exploitation in next 30 days
EPSS Percentile
25.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0033 is in the 74th percentile among its peer group of 158 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: lvm2

Vendor Advisories (1)

redhatCVE-2020-8991Low

lvm2: memory leak in vg_lookup in daemons/lvmetad/lvmetad-core.c

Feb 5, 2020

References

sourceware.org / git