CVE-2026-23345 arm64: gcs: Do not set PTE_SHARED on GCS mappings if FEAT_LPA2 is enabled

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/arm64/include/asm/pgtable-prot.h",
      "arch/arm64/mm/mmap.c"
    ],
    "versions": [
      {
        "version": "6497b66ba6945f142902c7e8fce86e47016ead1c",
        "lessThan": "ca1684dd297bf0725c1d487cff80e615497accf6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6497b66ba6945f142902c7e8fce86e47016ead1c",
        "lessThan": "1df3ef7e612d6ccbae5a48e1121553c47c2123d6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6497b66ba6945f142902c7e8fce86e47016ead1c",
        "lessThan": "8a85b3131225a8c8143ba2ae29c0eef8c1f9117f",
        "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/include/asm/pgtable-prot.h",
      "arch/arm64/mm/mmap.c"
    ],
    "versions": [
      {
        "version": "6.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.17",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.7",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]