LowFix available
lvm2 — security advisory
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
- Products
- lvm2
- Affected versions
- Not specified
- Fixed versions
- 2.03.01-2
- CVEs
- CVE-2020-8991
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 13:52 UTC · Revision 1
Source evidence
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
osv:DEBIAN-CVE-2020-8991
lvm2
Fixed versions: 2.03.01-2
lvm2
Fixed versions: 2.03.01-2
lvm2
Fixed versions: 2.03.01-2
Complete source record
{
"id": "2a6ce557b20fbceb6498b4e3a60809e28c00b6ea97e20ea85fd53d2fa042f1d2",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-8991",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2020-8991",
"summary": "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",
"evidence": "osv:DEBIAN-CVE-2020-8991",
"products": [
{
"name": {
"value": "lvm2",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.03.01-2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "lvm2",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.03.01-2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "lvm2",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.03.01-2",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "low",
"structured": {
"id": "DEBIAN-CVE-2020-8991",
"aliases": [
"DEBIAN-CVE-2020-8991"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.03.01-2"
}
]
}
],
"package": {
"name": "lvm2",
"purl": "pkg:deb/debian/lvm2?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-8991.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.03.01-2"
}
]
}
],
"package": {
"name": "lvm2",
"purl": "pkg:deb/debian/lvm2?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-8991.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.03.01-2"
}
]
}
],
"package": {
"name": "lvm2",
"purl": "pkg:deb/debian/lvm2?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-8991.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T12:02:45.707735991Z",
"provider": "osv",
"upstream": [
"CVE-2020-8991"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2020-8991"
]
},
"related_cves": [
{
"value": "CVE-2020-8991",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 452948,
"published_at": "2020-02-14T05:15:13.573+00:00"
}