SB20260912325 - Improper Null Termination in Linux kernel power supply driver
Published: September 12, 2026
Security Bulletin ID
SB20260912325
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Null Termination (CVE-ID: CVE-2026-89466)
CWE-ID: CWE-170 - Improper Null Termination
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to improper null termination in qcom_battmgr_sc8280xp_strcpy() when copying non-Pascal-style strings from firmware. A local user can read exposed power supply properties containing a full-length firmware string to disclose sensitive information.
The affected fields are model_number, serial_number, and oem_info.
Remediation
Install update from vendor's website.