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CVE-2025-38657 wifi: rtw89: mcc: prevent shift wrapping in rtw89_core_mlsr_switch()

🗓️ 22 Aug 2025 16:01:00Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

CVE-2025-38657: wifi rtw89 mcc fixes shift wrap; cap debugfs link_id to 15; root-only writes limit risk

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/wireless/realtek/rtw89/core.c"
    ],
    "versions": [
      {
        "version": "9dd85e739ce0765f022014c3e0713e1007d7ef60",
        "lessThan": "417cfa9cc44fbe6bceab786f9a4ee5a210f1288e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9dd85e739ce0765f022014c3e0713e1007d7ef60",
        "lessThan": "53cf488927a0f79968f9c03c4d1e00d2a79731c3",
        "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/net/wireless/realtek/rtw89/core.c"
    ],
    "versions": [
      {
        "version": "6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.1",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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