cve-2024-36913
Vulnerability from cvelistv5
Published
2024-05-30 15:29
Modified
2024-11-05 09:27
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Drivers: hv: vmbus: Leak pages if set_memory_encrypted() fails
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/03f5a999adba062456c8c818a683beb1b498983a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6123a4e8e25bd40cf44db14694abac00e6b664e6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e813a0fc2e597146e9cebea61ced9c796d4e308f
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/03f5a999adba062456c8c818a683beb1b498983a
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6123a4e8e25bd40cf44db14694abac00e6b664e6
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e813a0fc2e597146e9cebea61ced9c796d4e308f
Impacted products
Vendor Product Version
Linux Linux
Show details on NVD website

To clipboard 

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              "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"
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              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-36913",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-06-05T14:31:38.077186Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
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            "descriptions": [
              {
                "cweId": "CWE-1258",
                "description": "CWE-1258 Exposure of Sensitive System Information Due to Uncleared Debug Information",
                "lang": "en",
                "type": "CWE"
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        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/hv/connection.c"
          ],
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nDrivers: hv: vmbus: Leak pages if set_memory_encrypted() fails\n\nIn CoCo VMs it is possible for the untrusted host to cause\nset_memory_encrypted() or set_memory_decrypted() to fail such that an\nerror is returned and the resulting memory is shared. Callers need to\ntake care to handle these errors to avoid returning decrypted (shared)\nmemory to the page allocator, which could lead to functional or security\nissues.\n\nVMBus code could free decrypted pages if set_memory_encrypted()/decrypted()\nfails. Leak the pages if this happens."
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      ],
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-36913",
    "datePublished": "2024-05-30T15:29:11.016Z",
    "dateReserved": "2024-05-30T15:25:07.067Z",
    "dateUpdated": "2024-11-05T09:27:58.382Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-36913\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-30T16:15:14.693\",\"lastModified\":\"2024-11-21T09:22:48.197\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nDrivers: hv: vmbus: Leak pages if set_memory_encrypted() fails\\n\\nIn CoCo VMs it is possible for the untrusted host to cause\\nset_memory_encrypted() or set_memory_decrypted() to fail such that an\\nerror is returned and the resulting memory is shared. Callers need to\\ntake care to handle these errors to avoid returning decrypted (shared)\\nmemory to the page allocator, which could lead to functional or security\\nissues.\\n\\nVMBus code could free decrypted pages if set_memory_encrypted()/decrypted()\\nfails. Leak the pages if this happens.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Controladores: hv: vmbus: p\u00e1ginas de fuga si falla set_memory_encrypted() En m\u00e1quinas virtuales CoCo, es posible que el host que no es de confianza provoque que set_memory_encrypted() o set_memory_decrypted() falle de manera que se produzca un error se devuelve y la memoria resultante se comparte. Las personas que llaman deben tener cuidado al manejar estos errores para evitar devolver memoria descifrada (compartida) al asignador de p\u00e1ginas, lo que podr\u00eda provocar problemas funcionales o de seguridad. El c\u00f3digo VMBus podr\u00eda liberar p\u00e1ginas descifradas si falla set_memory_encrypted()/decrypted(). Filtre las p\u00e1ginas si esto sucede.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-1258\"}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/03f5a999adba062456c8c818a683beb1b498983a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6123a4e8e25bd40cf44db14694abac00e6b664e6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e813a0fc2e597146e9cebea61ced9c796d4e308f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/03f5a999adba062456c8c818a683beb1b498983a\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/6123a4e8e25bd40cf44db14694abac00e6b664e6\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/e813a0fc2e597146e9cebea61ced9c796d4e308f\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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