{
  "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-2026-80873",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-80873",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-04T16:48:40.889Z",
    "updatedAt": "2026-09-04T16:48:40.889Z",
    "importedAt": "2026-10-24T01:58:30.346Z",
    "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: arm64: nv: Write ESR_EL2 for injected nested SError exceptions",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: nv: Write ESR_EL2 for injected nested SError exceptions\n\nkvm_inject_el2_exception() writes ESR_EL2 for synchronous exceptions\nbut not for SError. enter_exception64() does not write ESR_ELx for any\nexception type, so the constructed syndrome is dropped. A guest L2\nhypervisor taking a nested SError observes stale ESR_EL2.\n\nThis affects both kvm_inject_nested_serror() and the EASE path in\nkvm_inject_nested_sea().\n\nWrite ESR_EL2 for except_type_serror, matching except_type_sync.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "77ee70a073575977b403e9add25f185d614217d8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "09f35145f3a4aacea4d9b914ad895bf5af8fc4ae"
            },
            {
              "version": "77ee70a073575977b403e9add25f185d614217d8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "29227821e2320ff6a174c91742b4ce221fe8d563"
            },
            {
              "version": "77ee70a073575977b403e9add25f185d614217d8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e2cb1f4578625e71f461d5c1ce70984193389cbb"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.17",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.17"
            },
            {
              "version": "6.18.40",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.1.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "version": "7.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}