SB20250226453 - NULL pointer dereference in Linux kernel bluetooth
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226453
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2022-49139)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the hci_sync_conn_complete_evt() function in net/bluetooth/hci_event.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0f9db1209f59844839175b5b907d3778cafde93d
- https://git.kernel.org/stable/c/1c1291a84e94f6501644634c97544bb8291e9a1a
- https://git.kernel.org/stable/c/3afee2118132e93e5f6fa636dfde86201a860ab3
- https://git.kernel.org/stable/c/c1aa0dd52db4ce888be0bd820c3fa918d350ca0b
- https://git.kernel.org/stable/c/f61c23e73dc653b957781066abfa8105c3fa3f5b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3