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CVE-2026-98891 wifi: mac80211: validate deauth frame length before reason access

🗓️ 23 Oct 2026 11:37:51Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

Out-of-bounds read in Linux kernel wifi: mac80211 ieee80211_rx_mgmt_deauth() function.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-98891
23 Oct 202612:10
–circl
cve
CVE
CVE-2026-98891
23 Oct 202611:37
–cve
debiancve
Debian CVE
CVE-2026-98891
23 Oct 202611:37
–debiancve
euvd
EUVD
EUVD-2026-108685
23 Oct 202611:37
–euvd
nvd
NVD
CVE-2026-98891
23 Oct 202612:18
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-98891
23 Oct 202616:47
–osv_debian
ptsecurity
Positive Technologies
PT-2026-121861
23 Oct 202600:00
–ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/mac80211/mlme.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "51092dc769f021e9634474e1bd5a561da477fbdb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "a6ed4c00ccdc15011a73daa2b38af9fc5a2c543e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "80d1a110e9096b5bf41497f6b151154084862385",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "a78689e2beed200d4590318612c74ae25c9408cf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "7a5ef1fd654d0e90d59aa32c881789c8bcc4125a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "9df64ad43e1f2c036667bba2bf385e9d7b3af564",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "4a360c6e18dfa9d70006c7247a6a8cc8dfe0d60f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0",
        "lessThan": "5.10.271",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "5.15.222",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.1.189",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.6.158",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.12.111",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.18.53",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/mac80211/mlme.c"
    ],
    "versions": [
      {
        "version": "5.10.271",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.222",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.189",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.158",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.111",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.53",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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