SB20250619140 - Use-after-free in Linux kernel soundwire driver

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Main Vulnerability Database SB20250619140

SB20250619140 - Use-after-free in Linux kernel soundwire driver

Published: June 19, 2025 Updated: June 21, 2025

Security Bulletin ID SB20250619140
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2022-50144)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the sdw_do_port_prep() and sdw_notify_config() functions in drivers/soundwire/stream.c, within the sdw_slave_release() and sdw_slave_add() functions in drivers/soundwire/slave.c, within the sdw_drv_probe() and sdw_drv_remove() functions in drivers/soundwire/bus_type.c, within the sdw_slave_clk_stop_callback(), sdw_handle_slave_alerts() and sdw_update_slave_status() functions in drivers/soundwire/bus.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.

References