{
  "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-2026-43261",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-43261",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-06T11:28:48.823Z",
    "updatedAt": "2026-05-23T16:06:36.101Z",
    "importedAt": "2026-10-24T01:58:14.884Z",
    "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": "arm64: Add support for TSV110 Spectre-BHB mitigation",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\narm64: Add support for TSV110 Spectre-BHB mitigation\n\nThe TSV110 processor is vulnerable to the Spectre-BHB (Branch History\nBuffer) attack, which can be exploited to leak information through\nbranch prediction side channels. This commit adds the MIDR of TSV110\nto the list for software mitigation.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "e192c8baa69ac8a5585d61ac535aa1e5eb795e80",
              "status": "affected",
              "versionType": "git",
              "lessThan": "598c11dd4f4a9de31d854fcb9702f54c1c70f0d0"
            },
            {
              "version": "4bbfd0c280254b273c564767021bb9b0f945148e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a8d0ad5d990b050a6db74218a34b5529085e16b8"
            },
            {
              "version": "558c303c9734af5a813739cd284879227f7297d2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cccf96c49f61e47d9332d6a4d1c7fe9a2df44440"
            },
            {
              "version": "558c303c9734af5a813739cd284879227f7297d2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fd7e360845d331f542854d552469544182e61134"
            },
            {
              "version": "558c303c9734af5a813739cd284879227f7297d2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5dbe1f14359735fa50ba0dd4a496125b5bc7f422"
            },
            {
              "version": "558c303c9734af5a813739cd284879227f7297d2",
              "status": "affected",
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              "lessThan": "fd51d47fcacec3ca027eb65d8c44853d3b6cea95"
            },
            {
              "version": "558c303c9734af5a813739cd284879227f7297d2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ad0c356cae164ed5dbd1f4cfd438e46faa5292cb"
            },
            {
              "version": "558c303c9734af5a813739cd284879227f7297d2",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e3baa5d4b361276efeb87b20d8beced451a7dbd5"
            },
            {
              "version": "4dd8aae585a51a1d276911fe19096ad90144e9fe",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "3e3904125fccd042fda24294624e8f66699fd06d",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "c20d551744797000c4af993f7d59ef8c69732949",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "9013fd4bc958b33c3b4d5a2eaf4ded9857600395",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "0b2bf1b37b5ebd90e69e30d8c2d6e1cd0c1f37b4",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.10.105",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.10.252"
            },
            {
              "version": "5.15.28",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.202"
            },
            {
              "version": "4.9.310",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.10"
            },
            {
              "version": "4.14.275",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.15"
            },
            {
              "version": "4.19.236",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.20"
            },
            {
              "version": "5.4.186",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.5"
            },
            {
              "version": "5.16.14",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.17"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.17",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.17"
            },
            {
              "version": "5.10.252",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.202",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.165",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.128",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.75",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.16",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}