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CVE-2022-50675 arm64: mte: Avoid setting PG_mte_tagged if no tags cleared or restored

🗓️ 09 Dec 2025 01:29:27Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 26 Views

arm64 mte: Do not set PG_mte_tagged unless tags are cleared or restored; move to clear/restore paths.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/arm64/kernel/mte.c",
      "arch/arm64/mm/mteswap.c"
    ],
    "versions": [
      {
        "version": "69e3b846d8a753f9f279f29531ca56b0f7563ad0",
        "lessThan": "918002bdbe4328c8c0164a22e8ebf2384b80dc23",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "69e3b846d8a753f9f279f29531ca56b0f7563ad0",
        "lessThan": "749e9fc18b1e1a3f93a9512e91bd7f93002d2821",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "69e3b846d8a753f9f279f29531ca56b0f7563ad0",
        "lessThan": "a8e5e5146ad08d794c58252bab00b261045ef16d",
        "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/kernel/mte.c",
      "arch/arm64/mm/mteswap.c"
    ],
    "versions": [
      {
        "version": "5.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.82",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.3",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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