CVE-2020-8991
CVE-2020-8991 is a low-severity vulnerability in Redhat Lvm2 with a CVSS 3.x base score of 2.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-401.
Key facts
- Severity: Low (CVSS 3.x base score 2.3)
- CVSS v2: 2.1
- EPSS exploit prediction: 0% (25th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-401
- Affected product: Redhat Lvm2
- Published:
- Last modified:
Description
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
Frequently asked questions
- What is 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
- How severe is CVE-2020-8991?
- CVE-2020-8991 has a CVSS 3.x base score of 2.3, rated low severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2020-8991 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-8991?
- CVE-2020-8991 affects Redhat Lvm2. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-8991?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-8991 published?
- CVE-2020-8991 was published on 2020-02-14 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:redhat:lvm2:2.02.00:*:*:*:*:*:*:*
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