Vulnerability Details : 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
Vulnerability category: Gain privilegeDenial of service
Products affected by CVE-2020-8991
- cpe:2.3:a:redhat:lvm2:2.02.00:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-8991
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 37 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-8991
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
|
2.3
|
LOW | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L |
0.8
|
1.4
|
NIST |
CWE ids for CVE-2020-8991
-
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-8991
-
https://sourceware.org/git/?p=lvm2.git%3Ba=commit%3Bh=bcf9556b8fcd16ad8997f80cc92785f295c66701
sourceware.org Git
-
https://sourceware.org/git/?p=lvm2.git;a=commit;h=bcf9556b8fcd16ad8997f80cc92785f295c66701
sourceware.org Git - lvm2.git/commitMailing List;Patch;Third Party Advisory
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