CVE-2023-54131
kernel: Linux kernel rt2x00 Wi-Fi driver: Denial of Service via memory leak during device removal
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 24, 2025
Updated · July 22, 2026
Description
A flaw was found in the Linux kernel's rt2x00 Wi-Fi driver. A local user could exploit this vulnerability when a rt2x00 device is removed, as its associated channel surveys are not properly freed. This leads to a memory leak, which could result in a Denial of Service (DoS) due to resource exhaustion, making the system unavailable to legitimate users.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-772 · Missing Release of Resource after Effective Lifetime