MediumFix available
grub2 — security advisory
A flaw was found in grub2. Grub's dump command is not blocked when grub is in lockdown mode, which allows the user to read any memory information, and an attacker may leverage this in order to extract signatures, salts, and other sensitive information from the memory.
- Products
- grub2
- Affected versions
- 2.06-13, 2.06-13+deb12u1
- Fixed versions
- 2.06-13+deb12u2, 2.12-6
- CVEs
- CVE-2025-1118
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 22:31 UTC · Revision 1
Source evidence
A flaw was found in grub2. Grub's dump command is not blocked when grub is in lockdown mode, which allows the user to read any memory information, and an attacker may leverage this in order to extract signatures, salts, and other sensitive information from the memory.
osv:DEBIAN-CVE-2025-1118
grub2
Fixed versions: 2.06-13+deb12u2
grub2
Fixed versions: 2.12-6
grub2
Fixed versions: 2.12-6
Complete source record
{
"id": "bd8ac341f57e741e0ac8913620cd89bf73fa44b6f7653a5cfb5402f5926319c6",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2025-1118",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2025-1118",
"summary": "A flaw was found in grub2. Grub's dump command is not blocked when grub is in lockdown mode, which allows the user to read any memory information, and an attacker may leverage this in order to extract signatures, salts, and other sensitive information from the memory.",
"evidence": "osv:DEBIAN-CVE-2025-1118",
"products": [
{
"name": {
"value": "grub2",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.06-13+deb12u2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "2.06-13",
"evidence": "/affected/0/versions"
},
{
"value": "2.06-13+deb12u1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "grub2",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.12-6",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "grub2",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.12-6",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2025-1118",
"aliases": [
"DEBIAN-CVE-2025-1118"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.06-13+deb12u2"
}
]
}
],
"package": {
"name": "grub2",
"purl": "pkg:deb/debian/grub2?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"2.06-13",
"2.06-13+deb12u1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-1118.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.12-6"
}
]
}
],
"package": {
"name": "grub2",
"purl": "pkg:deb/debian/grub2?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-1118.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.12-6"
}
]
}
],
"package": {
"name": "grub2",
"purl": "pkg:deb/debian/grub2?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-1118.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T17:47:23.063520009Z",
"provider": "osv",
"upstream": [
"CVE-2025-1118"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2025-1118"
]
},
"related_cves": [
{
"value": "CVE-2025-1118",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 416634,
"published_at": "2025-02-19T18:15:24.28+00:00"
}