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CVE-2026-46056 Bluetooth: hci_event: fix potential UAF in SSP passkey handlers

🗓️ 27 May 2026 12:57:15Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 38 Views

Fix potential use after free in Secure Simple Pairing passkey handlers by extending host device lock to cover all connection usage.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-46056
27 May 202612:57
attackerkb
CNNVD
Linux kernel 安全漏洞
27 May 202600:00
cnnvd
CVE
CVE-2026-46056
27 May 202612:57
cve
Debian CVE
CVE-2026-46056
27 May 202612:57
debiancve
EUVD
EUVD-2026-32438
27 May 202612:57
euvd
Microsoft CVE
Bluetooth: hci_event: fix potential UAF in SSP passkey handlers
28 May 202608:10
mscve
NVD
CVE-2026-46056
27 May 202614:17
nvd
OPENSUSE Linux
kernel-devel-7.0.11-1.1 on GA media (moderate)
8 Jun 202600:00
opensuse
OSV
BELL-CVE-2026-46056
28 May 202606:10
osv
OSV
DEBIAN-CVE-2026-46056
27 May 202614:17
osv
Rows per page
[
  {
    "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": "92a25256f142d55e25f9959441cea6ddeabae57e",
        "lessThan": "b6ae482f88654db407c8c17619d4b62959b903ef",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "92a25256f142d55e25f9959441cea6ddeabae57e",
        "lessThan": "204028af77a265e31ceb4ba7f643349a3cca72b2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "92a25256f142d55e25f9959441cea6ddeabae57e",
        "lessThan": "01a6431766c35dfedb86e0cb5d3fc80c6d604a47",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "92a25256f142d55e25f9959441cea6ddeabae57e",
        "lessThan": "e08d75753db17aa943d7622f09d9c217b5bfd3b8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "92a25256f142d55e25f9959441cea6ddeabae57e",
        "lessThan": "8c6443bb9257b780986fb67ec08565bf48ecb8d7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "92a25256f142d55e25f9959441cea6ddeabae57e",
        "lessThan": "85fa3512048793076eef658f66489112dcc91993",
        "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": "3.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.140",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.86",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.27",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.4",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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