Riskcovery

CVE-2022-49139

Bluetooth: fix null ptr deref on hci_sync_conn_complete_evt

State
Published
Severity
5.5 Medium
Published
Feb 26, 2025
Updated
May 11, 2026
Reserved
Feb 26, 2025

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.15.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCISA-ADP

Weaknesses

Affected Products

ProductVersions
LinuxLinux
  • efc7688b557dd1be10eead7399b315efcb1dbc74 to before 1c1291a84e94f6501644634c97544bb8291e9a1aAffected
  • efc7688b557dd1be10eead7399b315efcb1dbc74 to before 0f9db1209f59844839175b5b907d3778cafde93dAffected
  • efc7688b557dd1be10eead7399b315efcb1dbc74 to before c1aa0dd52db4ce888be0bd820c3fa918d350ca0bAffected
  • efc7688b557dd1be10eead7399b315efcb1dbc74 to before f61c23e73dc653b957781066abfa8105c3fa3f5bAffected
  • efc7688b557dd1be10eead7399b315efcb1dbc74 to before 3afee2118132e93e5f6fa636dfde86201a860ab3Affected
LinuxLinux
  • 2.6.30Affected
  • before 2.6.30Not affected
  • 5.4.231 through 5.4.*Not affected
  • 5.10.167 through 5.10.*Not affected
  • 5.15.92 through 5.15.*Not affected
  • 5.17.3 through 5.17.*Not affected
  • 5.18 and laterNot affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.