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CVE-2026-46166 wifi: mac80211: use safe list iteration in radar detect work

🗓️ 28 May 2026 09:36:21Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

Kernel fix for mac80211 radar detect uses safe list iteration to prevent chanctx use-after-free during dfs cac cancel.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/mac80211/util.c"
    ],
    "versions": [
      {
        "version": "bca8bc0399ac2efd56e6adbed0307e10125a556c",
        "lessThan": "887ece6c23b49d02a6678e7a8d5ad213d75883ce",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bca8bc0399ac2efd56e6adbed0307e10125a556c",
        "lessThan": "7577a4b8a10fab45a6ee2045ea038a5adadbb585",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bca8bc0399ac2efd56e6adbed0307e10125a556c",
        "lessThan": "120149fb3ebcf674832ca3cafd32bedcdb686dde",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bca8bc0399ac2efd56e6adbed0307e10125a556c",
        "lessThan": "ac8eb3e18f41e2cc8492cc1d358bcb786c850270",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/mac80211/util.c"
    ],
    "versions": [
      {
        "version": "6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.88",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.30",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.7",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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