SB20250919121 - Buffer overflow in Linux kernel powercap driver
Published: September 19, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250919121
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2023-53428)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the scmi_powercap_unregister_all_zones(), scmi_powercap_get_parent_zone() and scmi_powercap_probe() functions in drivers/powercap/arm_scmi_powercap.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.