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CVE-2026-43023 Bluetooth: SCO: fix race conditions in sco_sock_connect()

🗓️ 01 May 2026 14:15:25Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

Fix sco_sock_connect race to prevent use-after-free on concurrent Bluetooth SCO connects.

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/sco.c"
    ],
    "versions": [
      {
        "version": "70a13b1e25fef37c87c8a1228ddb8900efbca7cf",
        "lessThan": "dabf22269242e2f2bf44c43fcdc2fa763df7f9cc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9a8ec9e8ebb5a7c0cfbce2d6b4a6b67b2b78e8f3",
        "lessThan": "adb90cd0f9f7a8d438fcb93354040fbafc5ae2a0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9a8ec9e8ebb5a7c0cfbce2d6b4a6b67b2b78e8f3",
        "lessThan": "7e296ffdab5bdab718dff7c14288fdcb9154fa27",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9a8ec9e8ebb5a7c0cfbce2d6b4a6b67b2b78e8f3",
        "lessThan": "98c8d3bfdaa657d8f472dbbebd7ea8cd816d8a8d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9a8ec9e8ebb5a7c0cfbce2d6b4a6b67b2b78e8f3",
        "lessThan": "d002bd11024bd231bcb606877e33951ffb7bed14",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9a8ec9e8ebb5a7c0cfbce2d6b4a6b67b2b78e8f3",
        "lessThan": "8a5b0135d4a5d9683203a3d9a12a711ccec5936b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.1.109",
        "lessThan": "6.1.168",
        "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/sco.c"
    ],
    "versions": [
      {
        "version": "6.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.168",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.134",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.81",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.22",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.12",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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