#VU111425 Use-after-free in Linux kernel - CVE-2022-50144
Published: June 19, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111425
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2022-50144
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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 repository.
External links
- https://git.kernel.org/stable/c/250b46505175889c6b5958c3829f610f52199f5f
- https://git.kernel.org/stable/c/432b30f08ca3303d2ebb22352cb04c4b6cfefe65
- https://git.kernel.org/stable/c/8fd6b03646b9a9e16d1ec19bd724cd6bd78e0ea5
- https://git.kernel.org/stable/c/bd29c00edd0a5dac8b6e7332bb470cd50f92e893
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.61
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0