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CVE-2026-72333 Bluetooth: L2CAP: fix tx ident leak for commands without a response

🗓️ 15 Aug 2026 05:55:42Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Linux kernel L2CAP leaks TX identifiers for commands without responses, causing LE CoC channel stall.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-72333
15 Aug 202600:00
cve
debiancve
Debian CVE
CVE-2026-72333
15 Aug 202600:00
debiancve
euvd
EUVD
EUVD-2026-59232
15 Aug 202605:55
euvd
nvd
NVD
CVE-2026-72333
15 Aug 202606:22
nvd
osv
OSV
DEBIAN-CVE-2026-72333
15 Aug 202606:22
osv
ptsecurity
Positive Technologies
PT-2026-72521
15 Aug 202600:00
ptsecurity
[
  {
    "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": "e86554c37d3d2b4b24608e0313f882cae28b8adb",
        "lessThan": "b8a32a5fc915b024c60f18d51b6cffd2bd64d4a6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9b24ad4787cad46a3917620799f8455c6533b8df",
        "lessThan": "bd1e01170341291292fd4c46b5f6949da282ca6c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea6cf86167b3972caa68972d2a1ad43ecbbb8331",
        "lessThan": "0c602cb8f148a36bfb39c25ade400bdadc023c4f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6c3ea155e5ee3e56606233acde8309afda66d483",
        "lessThan": "d0a2b0c81f112540a337cde1c20251bf05ddf1da",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6c3ea155e5ee3e56606233acde8309afda66d483",
        "lessThan": "6e1930ece855a4c256f1c7e6632d634cfb9888b5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ed97bb2cf96684ee646be6f37e4c4835f9d30caa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "84bc3197f7d87c5b89c156e853d0561a9154eceb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8c1cdbc1bacc0cf9c27c3ebda11a81c3dcd01630",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.18.21",
        "lessThan": "6.18.40",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThan": "5.11",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThan": "5.16",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.19.11",
        "lessThan": "6.20",
        "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/bluetooth/l2cap_core.c"
    ],
    "versions": [
      {
        "version": "7.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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