CVE-2026-46056 (GCVE-0-2026-46056)
Vulnerability from cvelistv5
Published
2026-05-27 12:57
Modified
2026-10-19 19:26
Severity ?
8.8 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers hci_conn lookup and field access must be covered by hdev lock in hci_user_passkey_notify_evt() and hci_keypress_notify_evt(), otherwise the connection can be freed concurrently. Extend the hci_dev_lock critical section to cover all conn usage in both handlers. Keep the existing keypress notification behavior unchanged by routing the early exits through a common unlock path.
References
Impacted products
Vendor Product Version
Linux Linux Version: 92a25256f142d55e25f9959441cea6ddeabae57e
Version: 92a25256f142d55e25f9959441cea6ddeabae57e
Version: 92a25256f142d55e25f9959441cea6ddeabae57e
Version: 92a25256f142d55e25f9959441cea6ddeabae57e
Version: 92a25256f142d55e25f9959441cea6ddeabae57e
Version: 92a25256f142d55e25f9959441cea6ddeabae57e
Version: 92a25256f142d55e25f9959441cea6ddeabae57e
Version: 92a25256f142d55e25f9959441cea6ddeabae57e
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      "cveMetadata": "{\"cveId\": \"CVE-2026-46056\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"Linux\", \"dateReserved\": \"2026-05-13T15:03:33.094Z\", \"datePublished\": \"2026-05-27T12:57:15.150Z\", \"dateUpdated\": \"2026-10-19T19:26:42.490Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.