#VU111431 Use-after-free in Linux kernel - CVE-2022-50190
Published: June 19, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111431
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-2022-50190
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 EXPORT_SYMBOL_GPL() and devm_spi_unregister() functions in drivers/spi/spi.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/34bab623ebfc08398499e463396b81abb4abe01e
- https://git.kernel.org/stable/c/3c6bd448442b6c3f6843ac70d57201a13478dd47
- https://git.kernel.org/stable/c/43cc5a0afe4184a7fafe1eba32b5a11bb69c9ce0
- https://git.kernel.org/stable/c/445fb9c19cf45bd9472fd9babaa31c5e6c7d2720
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.61