SB2025123097 - Memory leak in Linux kernel mmc host driver



SB2025123097 - Memory leak in Linux kernel mmc host driver

Published: December 30, 2025 Updated: December 31, 2025

Security Bulletin ID SB2025123097
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Memory leak (CVE-ID: CVE-2023-54204)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the spmmc_drv_probe() function in drivers/mmc/host/sunplus-mmc.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.