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CVE-2026-43018 Bluetooth: hci_event: fix potential UAF in hci_le_remote_conn_param_req_evt

🗓️ 01 May 2026 14:15:22Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

Linux kernel fixes potential use after free in remote connection parameter request event by extending the host controller interface lock.

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/hci_event.c"
    ],
    "versions": [
      {
        "version": "95118dd4edfec950898a00180c6f998df0a6406d",
        "lessThan": "59eecf0ffde15670e6a5e10c47be67f73d843b20",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "95118dd4edfec950898a00180c6f998df0a6406d",
        "lessThan": "5fb69e1eeea9d6cba80517e9f058b56b34bc3a81",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "95118dd4edfec950898a00180c6f998df0a6406d",
        "lessThan": "7cadb03be37e761130edb153544fe0770a842b19",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "95118dd4edfec950898a00180c6f998df0a6406d",
        "lessThan": "1d0bdbfe3e91c11f0a704c52443a9446a10d699c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "95118dd4edfec950898a00180c6f998df0a6406d",
        "lessThan": "ea3cd36d7382d5f8309df04c275d20df139ed42c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "95118dd4edfec950898a00180c6f998df0a6406d",
        "lessThan": "b255531b27da336571411248c2a72a350662bd09",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/bluetooth/hci_event.c"
    ],
    "versions": [
      {
        "version": "5.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.17",
        "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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