#VU116757 Use-after-free in Linux kernel - CVE-2022-50542
Published: October 8, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU116757
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-2022-50542
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 si470x_usb_driver_probe() function in drivers/media/radio/si470x/radio-si470x-usb.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/0ca298d548461d29615f9a2b1309e8dcf4a352c6
- https://git.kernel.org/stable/c/146bd005ebb01ae190c22af050cb98623958c373
- https://git.kernel.org/stable/c/1c6447d0fc68650e51586dde79b5090d9d77f13a
- https://git.kernel.org/stable/c/52f54fe78cca24850a30865037250f63eb3d5bf7
- https://git.kernel.org/stable/c/63648a7bd1a7599bcc2040a6d1792363ae4c2e1b
- https://git.kernel.org/stable/c/6c8aee0c8fcc6dda94315f7908e8fa9bc75abe75
- https://git.kernel.org/stable/c/7d21e0b1b41b21d628bf2afce777727bd4479aa5
- https://git.kernel.org/stable/c/8c6151b8e8dd2d98ad2cd725d26d1e103d989891
- https://git.kernel.org/stable/c/92b0888398e4ba51d93b618a6506781f4e3879c9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2