{
  "id": "CVE-2024-2312",
  "sourceIdentifier": "security@ubuntu.com",
  "published": "2024-04-05T20:15:09.020",
  "lastModified": "2024-11-21T09:09:29.133",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "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."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "security@ubuntu.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "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"
    }
  ]
}