Improper input validation in Linux kernel - CVE-2025-71297
Published: May 9, 2026
Vulnerability identifier: #VU130899
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-71297
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper state validation in rtw8822b_set_antenna() and rtw8822b_config_trx_mode() when handling userspace antenna configuration requests while the chip is powered off. A local user can send a crafted netlink request to trigger a kernel warning and cause a denial of service.
The issue is triggered when the device is powered off.
How to mitigate CVE-2025-71297
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/0d0c2fb80ca4c284c397dd7546743a3b5fdf4020
- https://git.kernel.org/stable/c/44510ff07b5198e4a835a3074b716cec8357695b
- https://git.kernel.org/stable/c/44d1f624bbdd2d60319374ba85f7195a28d00c90
- https://git.kernel.org/stable/c/509becaee5680a39bde00c2c7d448dfeb39a8e05
- https://git.kernel.org/stable/c/7852ca1cc65ad43fb8b620e6a65d5cb15e4e4487
- https://git.kernel.org/stable/c/a96d161cfdb11cd2c35d5e498b93431164823338