SB2024060849 - Information disclosure in Linux kernel mmc core driver



SB2024060849 - Information disclosure in Linux kernel mmc core driver

Published: June 8, 2024 Updated: May 13, 2025

Security Bulletin ID SB2024060849
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Information disclosure (CVE-ID: CVE-2023-52730)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information disclosure within the sdio_read_func_cis() and sdio_free_func_cis() functions in drivers/mmc/core/sdio_cis.c, within the sdio_release_func(), sdio_alloc_func() and sdio_add_func() functions in drivers/mmc/core/sdio_bus.c. A local user can gain access to sensitive information.


Remediation

Install update from vendor's website.