SB2025081154 - Input validation error in Linux kernel bluetooth
Published: August 11, 2025 Updated: August 29, 2025
Security Bulletin ID
SB2025081154
CSH 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 vulnerability.
1) Input validation error (CVE-ID: CVE-2022-50233)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the append_eir_data_to_buf() function in net/bluetooth/mgmt.c, within the eir_append_name(), eir_append_local_name() and eir_create() functions in net/bluetooth/eir.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.