CVE-2023-53256
kernel: Linux kernel: Denial of Service in ARM FF-A due to duplicate device names during logical partition registration.
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 15, 2025
Updated · June 30, 2026
Description
A flaw was found in the Linux kernel's ARM Firmware Framework for Arm (FF-A) component. This vulnerability occurs when the system attempts to register multiple logical partitions within a physical partition. Due to an issue in how device names are generated, duplicate names can be created, preventing the successful registration of additional partitions. This can lead to a denial of service, impacting the system's ability to manage and utilize logical partitions.
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-694 · Use of Multiple Resources with Duplicate Identifier