{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2022-50224",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50224",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-06-18T11:03:57.954Z",
    "updatedAt": "2026-05-23T15:23:52.140Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "KVM: x86/mmu: Treat NX as a valid SPTE bit for NPT",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86/mmu: Treat NX as a valid SPTE bit for NPT\n\nTreat the NX bit as valid when using NPT, as KVM will set the NX bit when\nthe NX huge page mitigation is enabled (mindblowing) and trigger the WARN\nthat fires on reserved SPTE bits being set.\n\nKVM has required NX support for SVM since commit b26a71a1a5b9 (\"KVM: SVM:\nRefuse to load kvm_amd if NX support is not available\") for exactly this\nreason, but apparently it never occurred to anyone to actually test NPT\nwith the mitigation enabled.\n\n  ------------[ cut here ]------------\n  spte = 0x800000018a600ee7, level = 2, rsvd bits = 0x800f0000001fe000\n  WARNING: CPU: 152 PID: 15966 at arch/x86/kvm/mmu/spte.c:215 make_spte+0x327/0x340 [kvm]\n  Hardware name: Google, Inc. Arcadia_IT_80/Arcadia_IT_80, BIOS 10.48.0 01/27/2022\n  RIP: 0010:make_spte+0x327/0x340 [kvm]\n  Call Trace:\n   <TASK>\n   tdp_mmu_map_handle_target_level+0xc3/0x230 [kvm]\n   kvm_tdp_mmu_map+0x343/0x3b0 [kvm]\n   direct_page_fault+0x1ae/0x2a0 [kvm]\n   kvm_tdp_page_fault+0x7d/0x90 [kvm]\n   kvm_mmu_page_fault+0xfb/0x2e0 [kvm]\n   npf_interception+0x55/0x90 [kvm_amd]\n   svm_invoke_exit_handler+0x31/0xf0 [kvm_amd]\n   svm_handle_exit+0xf6/0x1d0 [kvm_amd]\n   vcpu_enter_guest+0xb6d/0xee0 [kvm]\n   ? kvm_pmu_trigger_event+0x6d/0x230 [kvm]\n   vcpu_run+0x65/0x2c0 [kvm]\n   kvm_arch_vcpu_ioctl_run+0x355/0x610 [kvm]\n   kvm_vcpu_ioctl+0x551/0x610 [kvm]\n   __se_sys_ioctl+0x77/0xc0\n   __x64_sys_ioctl+0x1d/0x20\n   do_syscall_64+0x44/0xa0\n   entry_SYSCALL_64_after_hwframe+0x46/0xb0\n   </TASK>\n  ---[ end trace 0000000000000000 ]---",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "b8e8c8303ff28c61046a4d0f6ea99aea609a7dc0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6271f2854b9233702e236e576b885a876dde4889"
            },
            {
              "version": "b8e8c8303ff28c61046a4d0f6ea99aea609a7dc0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6c6ab524cfae0799e55c82b2c1d61f1af0156f8d"
            },
            {
              "version": "a7ad7943b84fae87f5be18f05025c51ae103f732",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "bb16a6ba5d1ed79b40caea8d924e237f63205b7c",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5219505fcbb640e273a0d51c19c38de0100ec5a9",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "78ffa84f00ff6b19f00c0e6dfe1870aba0db4025",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "4.9.202",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.10"
            },
            {
              "version": "4.14.154",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.15"
            },
            {
              "version": "4.19.84",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.20"
            },
            {
              "version": "5.3.11",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.4"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.4",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.4"
            },
            {
              "version": "5.19.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.19.*"
            },
            {
              "version": "6.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}