#VU111633 Buffer overflow in Linux kernel - CVE-2022-50131
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111633
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-2022-50131
CWE-ID: CWE-119
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 memory corruption within the mcp_smbus_write() function in drivers/hid/hid-mcp2221.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/3c0f8a59f2cc8841ee6653399a77f4f3e6e9a270
- https://git.kernel.org/stable/c/62ac2473553a00229e67bdf3cb023b62cf7f5a9a
- https://git.kernel.org/stable/c/6402116a7b5ec80fa40fd145a80c813019cd555f
- https://git.kernel.org/stable/c/66c8e816f2f2ca4a61b406503bd10bad1b35f72f
- https://git.kernel.org/stable/c/91443c669d280937968f0aa4edefa741cfe35314
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.61