Lucene search
+L

CVE-2026-31499 Bluetooth: L2CAP: Fix deadlock in l2cap_conn_del()

🗓️ 22 Apr 2026 13:54:20Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 55 Views

Bluetooth L2CAP deadlock fix: cancel delayed works before acquiring the connection lock and use synchronization.

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": "f87271d21dd4ee83857ca11b94e7b4952749bbae",
        "lessThan": "f7f35a4f7fd574f5889bb2e4b397e14cbb83f6da",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ab4eedb790cae44313759b50fe47da285e2519d5",
        "lessThan": "3f26ecbd9cde621dd94be7ef252c7210b965a5c7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ab4eedb790cae44313759b50fe47da285e2519d5",
        "lessThan": "d008460de352e534f6721de829b093368564ec66",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ab4eedb790cae44313759b50fe47da285e2519d5",
        "lessThan": "00fdebbbc557a2fc21321ff2eaa22fd70c078608",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "efc30877bd4bc85fefe98d80af60fafc86e5775e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "18ab6b6078fa8191ca30a3065d57bf35d5635761",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.12.20",
        "lessThan": "6.12.88",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.6.84",
        "lessThan": "6.7",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.13.8",
        "lessThan": "6.14",
        "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": "6.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.88",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.21",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.11",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation