CVE-2025-38366 (GCVE-0-2025-38366)
Vulnerability from cvelistv5
Published
2025-07-25 12:47
Modified
2025-07-28 04:20
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Check validity of "num_cpu" from user space The maximum supported cpu number is EIOINTC_ROUTE_MAX_VCPUS about irqchip EIOINTC, here add validation about cpu number to avoid array pointer overflow.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a3293b4078ee93174f70f36d3ab7618554ce6ab6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cc8d5b209e09d3b52bca1ffe00045876842d96ae
Impacted products
Vendor Product Version
Linux Linux Version: 1ad7efa552fd5cf4e8c49fea863c5c6a5dcf9f00
Version: 1ad7efa552fd5cf4e8c49fea863c5c6a5dcf9f00
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   Linux Linux Version: 6.13
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/loongarch/kvm/intc/eiointc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
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              "versionType": "git"
            }
          ]
        },
        {
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              "version": "0",
              "versionType": "semver"
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              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "6.16",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15.5",
                  "versionStartIncluding": "6.13",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "6.16",
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: KVM: Check validity of \"num_cpu\" from user space\n\nThe maximum supported cpu number is EIOINTC_ROUTE_MAX_VCPUS about\nirqchip EIOINTC, here add validation about cpu number to avoid array\npointer overflow."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-28T04:20:07.667Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a3293b4078ee93174f70f36d3ab7618554ce6ab6"
        },
        {
          "url": "https://git.kernel.org/stable/c/cc8d5b209e09d3b52bca1ffe00045876842d96ae"
        }
      ],
      "title": "LoongArch: KVM: Check validity of \"num_cpu\" from user space",
      "x_generator": {
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38366",
    "datePublished": "2025-07-25T12:47:36.104Z",
    "dateReserved": "2025-04-16T04:51:24.008Z",
    "dateUpdated": "2025-07-28T04:20:07.667Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-38366\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-07-25T13:15:25.500\",\"lastModified\":\"2025-07-25T15:29:19.837\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nLoongArch: KVM: Check validity of \\\"num_cpu\\\" from user space\\n\\nThe maximum supported cpu number is EIOINTC_ROUTE_MAX_VCPUS about\\nirqchip EIOINTC, here add validation about cpu number to avoid array\\npointer overflow.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: LoongArch: KVM: verificar la validez de \\\"num_cpu\\\" desde el espacio del usuario. El n\u00famero m\u00e1ximo de CPU admitido es EIOINTC_ROUTE_MAX_VCPUS sobre irqchip EIOINTC, aqu\u00ed agregue validaci\u00f3n sobre el n\u00famero de CPU para evitar el desbordamiento del puntero de la matriz.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/a3293b4078ee93174f70f36d3ab7618554ce6ab6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cc8d5b209e09d3b52bca1ffe00045876842d96ae\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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