CVE-2024-2312

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 v3 6.7 MEDIUM

6.7^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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/

Configurations

No configuration.

History

21 Nov 2024, 09:09

Type	Values Removed	Values Added
References	~~() https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/2054127 -~~	() https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/2054127 -
References	~~() https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2312 -~~	() https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2312 -
References	~~() https://security.netapp.com/advisory/ntap-20240426-0003/ -~~	() https://security.netapp.com/advisory/ntap-20240426-0003/ -

29 Aug 2024, 20:36

Type	Values Removed	Values Added
CWE		CWE-416

26 Apr 2024, 09:15

Type	Values Removed	Values Added
References		() https://security.netapp.com/advisory/ntap-20240426-0003/ -

08 Apr 2024, 18:49

Type	Values Removed	Values Added
Summary		(es) 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.

05 Apr 2024, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-04-05 20:15

Updated : 2024-11-21 09:09

NVD link : CVE-2024-2312

Mitre link : CVE-2024-2312

CVE.ORG link : CVE-2024-2312

JSON object : View

Products Affected

No product.

CWE

CWE-416

Use After Free

{"id": "CVE-2024-2312", "metrics": {"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}]}, "published": "2024-04-05T20:15:09.020", "references": [{"url": "https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/2054127", "source": "security@ubuntu.com"}, {"url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2312", "source": "security@ubuntu.com"}, {"url": "https://security.netapp.com/advisory/ntap-20240426-0003/", "source": "security@ubuntu.com"}, {"url": "https://bugs.launchpad.net/ubuntu/+source/grub2-unsigned/+bug/2054127", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-2312", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.netapp.com/advisory/ntap-20240426-0003/", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Awaiting Analysis", "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 m\u00f3dulo al salir, lo que hace que el m\u00f3dulo peimage GRUB2 de Debian/Ubuntu deje los ganchos de la tabla del sistema UEFI despu\u00e9s de la salida. Esto conduce a una condici\u00f3n de use-after-free y posiblemente podr\u00eda conducir a una omisi\u00f3n de arranque segura."}], "lastModified": "2024-11-21T09:09:29.133", "sourceIdentifier": "security@ubuntu.com"}

6.7 /10