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CVE-2026-63975 Bluetooth: L2CAP: Fix possible crash on l2cap_ecred_conn_rsp

🗓️ 19 Jul 2026 14:56:00Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

Fix possible crash in Bluetooth L2CAP on duplicate destination channel by disconnecting channels asynchronously.

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": "3c8eaa91eb433c450426539290be4ffe282e9f00",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15f02b91056253e8cdc592888f431da0731337b8",
        "lessThan": "ecfed1e0d8efecad6737a0d83e21d2fd021d8c48",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15f02b91056253e8cdc592888f431da0731337b8",
        "lessThan": "e6833e737a51db1e5ea0401322acf5e22abd8be6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15f02b91056253e8cdc592888f431da0731337b8",
        "lessThan": "6319b38fe69f56ed95680ade485b957a53fff642",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15f02b91056253e8cdc592888f431da0731337b8",
        "lessThan": "291eec1041c918c460dc9702e44edd17794b4a4b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15f02b91056253e8cdc592888f431da0731337b8",
        "lessThan": "41e29548b5e8b5e5fcf708786b3bea67cab107fa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15f02b91056253e8cdc592888f431da0731337b8",
        "lessThan": "d153b8898c0051eb8b6a083b35cbe304a5886bd5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15f02b91056253e8cdc592888f431da0731337b8",
        "lessThan": "41c2713b204e6cb6a94587bc6bf6935107df5479",
        "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": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.93",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.35",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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