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CVE-2026-98108 Bluetooth: L2CAP: fix chan mode for LE_CONN_REQ + EXT_FLOWCTL pchan

🗓️ 25 Sep 2026 10:35:56Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 48 Views

Linux kernel Bluetooth L2CAP OOB write in l2cap_ecred_rsp_defer() via LE_CONN_REQ.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/bluetooth/l2cap_core.c"
    ],
    "versions": [
      {
        "version": "15f02b91056253e8cdc592888f431da0731337b8",
        "lessThan": "ad0f44a3f1f688558ed876a0702bc2c82b0df689",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15f02b91056253e8cdc592888f431da0731337b8",
        "lessThan": "564ae0e05e598aa895b9dbd18cb7d6eb64752869",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15f02b91056253e8cdc592888f431da0731337b8",
        "lessThan": "aab17938998b29e75c3324763411aef3e300fc67",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15f02b91056253e8cdc592888f431da0731337b8",
        "lessThan": "0e1fc7cab95ad958e55d70a5dfaaea687c9c639f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15f02b91056253e8cdc592888f431da0731337b8",
        "lessThan": "1074bcc57f741223f9fa82ce6afe5c3d783e4d10",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15f02b91056253e8cdc592888f431da0731337b8",
        "lessThan": "5d5a625cbc854d4c4f68e4b16fcf6e682d9a9ed1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15f02b91056253e8cdc592888f431da0731337b8",
        "lessThan": "6cb79e6499228cfdbd4b3301371ce74d01cd2f80",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15f02b91056253e8cdc592888f431da0731337b8",
        "lessThan": "4ef05db5b08b176a551b4a6287372045998806b0",
        "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/bluetooth/l2cap_core.c"
    ],
    "versions": [
      {
        "version": "5.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "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": "7.2.7",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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03 Oct 2026 11:02Current
CVSS 3.17.5
EPSS0.00245
48