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CVE-2026-99009 Bluetooth: RFCOMM: connect the session socket without rfcomm_mutex

🗓️ 23 Oct 2026 12:20:34Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Circular locking dependency in Linux kernel Bluetooth RFCOMM between rfcomm_mutex and hdev->lock.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-99009
23 Oct 202613:46
–circl
cve
CVE
CVE-2026-99009
23 Oct 202612:20
–cve
debiancve
Debian CVE
CVE-2026-99009
23 Oct 202612:20
–debiancve
euvd
EUVD
EUVD-2026-108803
23 Oct 202612:20
–euvd
nvd
NVD
CVE-2026-99009
23 Oct 202613:17
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-99009
23 Oct 202613:17
–osv_debian
ptsecurity
Positive Technologies
PT-2026-121986
23 Oct 202600:00
–ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/bluetooth/rfcomm.h",
      "net/bluetooth/rfcomm/core.c"
    ],
    "versions": [
      {
        "version": "82425b14f0fb22e46cfddc56d6465570f5ed0ce6",
        "lessThan": "4dc3d5a004b8fd59f3c905631dbb18cb601b1b41",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1b7841ffad08e911e8c4b9470f3fa08423568940",
        "lessThan": "d2206e8c78be69d21d4f5343c3e99fbaeef41cbb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "946d76db77ee5f922968ce558629ae47b381e3fc",
        "lessThan": "cc7732b8549ecb6f02457edeb8db1f6d255e381c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fbf7961964a6e93360179f64712320ae9a1e9577",
        "lessThan": "f492de11b325446b0b11bc2eb86e1f546eaa61b6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "759c185d0bbdb131357408f50b8735e04ed3caff",
        "lessThan": "ac022970e9fb0a5f7e7d1f6c8e104c1ed924dd1c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "62ce8b33eb238cf18c15207332fbdc26d858f592",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3873f3449701b3dc98cba577923be6493598e7a1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7ded3264106418c6456ccceaafd9fda596ce12c3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.10.270",
        "lessThan": "5.11",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.221",
        "lessThan": "5.16",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.188",
        "lessThan": "6.2",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/bluetooth/rfcomm.h",
      "net/bluetooth/rfcomm/core.c"
    ],
    "versions": [
      {
        "version": "6.6.157",
        "lessThan": "6.6.160",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.109",
        "lessThan": "6.12.114",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThan": "6.18.58",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThan": "7.2.11",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  }
]

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