CVE-2026-64289 iommufd: Set upper bounds on cache invalidation entry_num and entry_len

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/iommu/iommufd/hw_pagetable.c"
    ],
    "versions": [
      {
        "version": "8c6eabae3807e048b9f17733af5e20500fbf858c",
        "lessThan": "d2bd041e0efaf7d81789779b135279d18b33d6d5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8c6eabae3807e048b9f17733af5e20500fbf858c",
        "lessThan": "32ca4aed2a66205b072fcfecabe220289a8149ff",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8c6eabae3807e048b9f17733af5e20500fbf858c",
        "lessThan": "2c6381d90898089287e0a358f06f89f6b4b389f2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8c6eabae3807e048b9f17733af5e20500fbf858c",
        "lessThan": "4d70986002f2f3eaaed89124fb2522bded38b016",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/iommu/iommufd/hw_pagetable.c"
    ],
    "versions": [
      {
        "version": "6.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.96",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]