CVE-2020-8991

CVSS V2 Low 2.1 CVSS V3 Low 2.3

Description

** DISPUTED ** 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.

Overview

CVE ID
CVE-2020-8991

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2020-02-14T05:15:13

Last Modified Date
2022-01-01T19:52:49

Weakness Enumerations

CWE	URL
CWE-401	http://cwe.mitre.org/data/definitions/401.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:redhat:lvm2:2.02.00:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:L/Au:N/C:N/I:N/A:P

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
2.1

Severity
LOW

Exploitability Score
3.9

Impact Score
2.9

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
HIGH

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
LOW

Base Score
2.3

Base Severity
LOW

Exploitability Score
0.8

Impact Score
1.4

References

Reference URL	Reference Tags
https://sourceware.org/git/?p=lvm2.git;a=commit;h=bcf9556b8fcd16ad8997f80cc92785f295c66701	Mailing List Patch Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-8991
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8991

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:39:34				Added to TrackCVE
2022-12-04 11:22:31	2020-02-14T05:15Z	2020-02-14T05:15:13	CVE Published Date	updated
2022-12-04 11:22:31		2022-01-01T19:52:49	CVE Modified Date	updated
2022-12-04 11:22:31		Analyzed	Vulnerability Status	updated