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CVE-2026-53208 Bluetooth: L2CAP: reject BR/EDR signaling packets over MTUsig

🗓️ 25 Jun 2026 08:39:14Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

Bluetooth L2CAP accepts signaling packets over MTUsig, enabling pre-pairing Bluetooth classic devices to flood echo responses.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-53208
25 Jun 202608:39
attackerkb
CBLMariner
CVE-2026-53208 affecting package kernel for versions less than 6.6.143.1-1
8 Jul 202616:02
cbl_mariner
Chainguard
CVE-2026-53208 vulnerabilities
8 Jul 202602:17
cgr
Circl
CVE-2026-53208
6 Jul 202606:50
circl
CVE
CVE-2026-53208
25 Jun 202608:39
cve
Debian
[SECURITY] [DLA 4664-1] linux security update
3 Jul 202615:51
debian
Debian
[SECURITY] [DLA 4665-1] linux security update
3 Jul 202618:38
debian
Debian
[SECURITY] [DLA 4671-1] linux-6.1 security update
5 Jul 202618:24
debian
Debian CVE
CVE-2026-53208
25 Jun 202608:39
debiancve
Tenable Nessus
Debian dla-4664 : ata-modules-5.10.0-43-armmp-di - security update
3 Jul 202600:00
nessus
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/bluetooth/l2cap.h",
      "net/bluetooth/l2cap_core.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "e05c4ac575b457978a7ef441053394169084869c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "fa5823126239b3e453fac1a2fe50726c7f4a55e1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "b20e8a98dd29b121f58fcdf51e8576119aba536a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "214a2042b16b3c8d798a8b9ef9f36094f13a9859",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "a8335f3db15bd1e0e82e0db5d488fabc7d10d1ab",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "dedc92b96dc1d8919a3bdf2495ede68922ef7ebc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "e2b8acf9405bd9b1baf1c54dc897b0905db689bf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "dd214733544427587a95f66dbf3adff072568990",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/bluetooth/l2cap.h",
      "net/bluetooth/l2cap_core.c"
    ],
    "versions": [
      {
        "version": "2.6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.12",
        "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": "6.12.94",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.36",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.13",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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