#VU111421 Use-after-free in Linux kernel - CVE-2022-50087
Published: June 19, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111421
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-2022-50087
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 scpi_init_versions() and scpi_probe() functions in drivers/firmware/arm_scpi.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/08272646cd7c310642c39b7f54348fddd7987643
- https://git.kernel.org/stable/c/0c29e149b6bb498778ed8a1c9597b51acfba7856
- https://git.kernel.org/stable/c/18048cba444a7c41dbf42c180d6b46606fc24c51
- https://git.kernel.org/stable/c/4f2d7b46d6b53c07f44a4f8f8f4438888f0e9e87
- https://git.kernel.org/stable/c/5aa558232edc30468d1f35108826dd5b3ffe978f
- https://git.kernel.org/stable/c/689640efc0a2c4e07e6f88affe6d42cd40cc3f85
- https://git.kernel.org/stable/c/87c4896d5dd7fd9927c814cf3c6289f41de3b562
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18