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CVE-2026-64206 Bluetooth: L2CAP: cancel pending_rx_work before taking conn->lock

🗓️ 20 Jul 2026 16:27:53Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

Bluetooth L2CAP cancels pending receive work before taking the connection lock to prevent deadlock during teardown.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-64206
20 Jul 202616:27
attackerkb
Circl
CVE-2026-64206
20 Jul 202618:36
circl
CVE
CVE-2026-64206
20 Jul 202616:27
cve
EUVD
EUVD-2026-46014
20 Jul 202616:27
euvd
NVD
CVE-2026-64206
20 Jul 202617:18
nvd
OSV
DEBIAN-CVE-2026-64206
20 Jul 202618:48
osv
Positive Technologies
PT-2026-61647
20 Jul 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": "7ab56c3a6eccb215034b0cb096e0313441cbf2a4",
        "lessThan": "d5616beb3355b5fca2280d796c1cf7ada4ee6551",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7ab56c3a6eccb215034b0cb096e0313441cbf2a4",
        "lessThan": "e96fbac8d3a73b0bc165383c092a30628561d320",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7ab56c3a6eccb215034b0cb096e0313441cbf2a4",
        "lessThan": "2641a9e0a1dd4af2e21995470a21d55dd35e5203",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ee805f9499ebd0edf0877990968543c752043b59",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3.15.5",
        "lessThan": "3.16",
        "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": "3.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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