CVE-2022-49139

Summary

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: fix null ptr deref on hci_sync_conn_complete_evt

This event is just specified for SCO and eSCO link types. On the reception of a HCI_Synchronous_Connection_Complete for a BDADDR of an existing LE connection, LE link type and a status that triggers the second case of the packet processing a NULL pointer dereference happens, as conn->link is NULL.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxefc7688b557dd1be10eead7399b315efcb1dbc74 < 1c1291a84e94f6501644634c97544bb8291e9a1aaffected
LinuxLinuxefc7688b557dd1be10eead7399b315efcb1dbc74 < 0f9db1209f59844839175b5b907d3778cafde93daffected
LinuxLinuxefc7688b557dd1be10eead7399b315efcb1dbc74 < c1aa0dd52db4ce888be0bd820c3fa918d350ca0baffected
LinuxLinuxefc7688b557dd1be10eead7399b315efcb1dbc74 < f61c23e73dc653b957781066abfa8105c3fa3f5baffected
LinuxLinuxefc7688b557dd1be10eead7399b315efcb1dbc74 < 3afee2118132e93e5f6fa636dfde86201a860ab3affected
LinuxLinux2.6.30affected
LinuxLinux0 < 2.6.30unaffected
LinuxLinux5.4.231 <= 5.4.*unaffected
LinuxLinux5.10.167 <= 5.10.*unaffected
LinuxLinux5.15.92 <= 5.15.*unaffected
LinuxLinux5.17.3 <= 5.17.*unaffected
LinuxLinux5.18 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References