{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/x86/kvm/emulate.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "a7ebfbea0f52550d7cdf12c38f3f5eaa7b2b6494",
              "status": "affected",
              "version": "b443183a25ab61840a12de92f8822849e017b9c8",
              "versionType": "git"
            },
            {
              "lessThan": "696db303e54f7352623d9f640e6c51d8fa9d5588",
              "status": "affected",
              "version": "b443183a25ab61840a12de92f8822849e017b9c8",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/x86/kvm/emulate.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.0"
            },
            {
              "lessThan": "6.0",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86: smm: number of GPRs in the SMRAM image depends on the image format\n\nOn 64 bit host, if the guest doesn\u0027t have X86_FEATURE_LM, KVM will\naccess 16 gprs to 32-bit smram image, causing out-ouf-bound ram\naccess.\n\nOn 32 bit host, the rsm_load_state_64/enter_smm_save_state_64\nis compiled out, thus access overflow can\u0027t happen."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-01T14:10:29.804Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a7ebfbea0f52550d7cdf12c38f3f5eaa7b2b6494"
        },
        {
          "url": "https://git.kernel.org/stable/c/696db303e54f7352623d9f640e6c51d8fa9d5588"
        }
      ],
      "title": "KVM: x86: smm: number of GPRs in the SMRAM image depends on the image format",
      "x_generator": {
        "engine": "bippy-1.1.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49883",
    "datePublished": "2025-05-01T14:10:29.804Z",
    "dateReserved": "2025-05-01T14:05:17.241Z",
    "dateUpdated": "2025-05-01T14:10:29.804Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49883\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:16:13.287\",\"lastModified\":\"2025-05-01T15:16:13.287\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nKVM: x86: smm: number of GPRs in the SMRAM image depends on the image format\\n\\nOn 64 bit host, if the guest doesn\u0027t have X86_FEATURE_LM, KVM will\\naccess 16 gprs to 32-bit smram image, causing out-ouf-bound ram\\naccess.\\n\\nOn 32 bit host, the rsm_load_state_64/enter_smm_save_state_64\\nis compiled out, thus access overflow can\u0027t happen.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/696db303e54f7352623d9f640e6c51d8fa9d5588\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a7ebfbea0f52550d7cdf12c38f3f5eaa7b2b6494\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}