CVE-2026-43486 arm64: contpte: fix set_access_flags() no-op check for SMMU/ATS faults

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/arm64/mm/contpte.c"
    ],
    "versions": [
      {
        "version": "4602e5757bcceb231c3a13c36c373ad4a750eddb",
        "lessThan": "05d239f2c95e66e27e7fb4e99ee07eb56e3e34b0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4602e5757bcceb231c3a13c36c373ad4a750eddb",
        "lessThan": "6f92a7a8b48a523f910ef25dd83808710724f59b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4602e5757bcceb231c3a13c36c373ad4a750eddb",
        "lessThan": "09d620555e59768776090073a2c59d2bc8506eb3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4602e5757bcceb231c3a13c36c373ad4a750eddb",
        "lessThan": "97c5550b763171dbef61e6239cab372b9f9cd4a2",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/arm64/mm/contpte.c"
    ],
    "versions": [
      {
        "version": "6.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.9",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.78",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.19",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.9",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]