CVE-2024-2312
Estado: AnalizadaMedia (6.7)—
GRUB2 does not call the module fini functions on exit, leading to Debian/Ubuntu's peimage GRUB2 module leaving UEFI system table hooks after exit. This lead to a use-after-free condition, and could possibly lead to secure boot bypass.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 6.7
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.38%
- Percentil entre todas las CVEs puntuadas: 30
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (2)
CWE
- CWE-416
Referencias
- https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/2054127
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2312
- https://security.netapp.com/advisory/ntap-20240426-0003/
- https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/2054127
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2312
- https://security.netapp.com/advisory/ntap-20240426-0003/
JSON original (NVD)
Mostrar
{
"id": "CVE-2024-2312",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-2312",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2024-08-21T15:39:12.205993Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security@ubuntu.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.7,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 0.8
}
]
},
"affected": [
{
"source": "security@ubuntu.com",
"affectedData": [
{
"repo": "https://git.savannah.gnu.org/cgit/grub.git",
"vendor": "Debian",
"product": "Debian based GNU GRUB",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "2.12-1ubuntu5",
"versionType": "semver"
}
],
"platforms": [
"Linux"
],
"packageName": "grub2"
}
]
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"affectedData": [
{
"cpes": [
"cpe:2.3:a:gnu:grub2:-:*:*:*:*:*:*:*"
],
"vendor": "gnu",
"product": "grub2",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "2.12-1ubuntu5",
"versionType": "semver"
}
],
"defaultStatus": "unknown"
}
]
}
],
"published": "2024-04-05T20:15:09.020",
"references": [
{
"url": "https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/2054127",
"tags": [
"Exploit",
"Issue Tracking",
"Patch"
],
"source": "security@ubuntu.com"
},
{
"url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2312",
"tags": [
"Third Party Advisory"
],
"source": "security@ubuntu.com"
},
{
"url": "https://security.netapp.com/advisory/ntap-20240426-0003/",
"tags": [
"Third Party Advisory"
],
"source": "security@ubuntu.com"
},
{
"url": "https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/2054127",
"tags": [
"Exploit",
"Issue Tracking",
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2312",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://security.netapp.com/advisory/ntap-20240426-0003/",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"description": [
{
"lang": "en",
"value": "CWE-416"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "GRUB2 does not call the module fini functions on exit, leading to Debian/Ubuntu's peimage GRUB2 module leaving UEFI system table hooks after exit. This lead to a use-after-free condition, and could possibly lead to secure boot bypass."
},
{
"lang": "es",
"value": "GRUB2 no llama a las funciones fini del módulo al salir, lo que hace que el módulo peimage GRUB2 de Debian/Ubuntu deje los ganchos de la tabla del sistema UEFI después de la salida. Esto conduce a una condición de use-after-free y posiblemente podría conducir a una omisión de arranque segura."
}
],
"lastModified": "2026-06-17T07:24:17.663",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AB8E628D-0E77-406B-A205-1065F9680576",
"versionEndExcluding": "2.12-1ubuntu5"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netapp:bootstrap_os:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "95BA156C-C977-4F0C-8DFB-3FAE9CC8C02D"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "AD7447BC-F315-4298-A822-549942FC118B"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "security@ubuntu.com"
}