CVE-2023-54087
kernel: Linux kernel (UBI): Denial of Service due to improper error handling
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 24, 2025
Updated · June 30, 2026
Description
A flaw was found in the Linux kernel's Universal Block Image (UBI) subsystem. This vulnerability allows a local user to trigger a null-pointer dereference due to improper error handling during the addition of a UBI volume. This can lead to a system crash, resulting in a Denial of Service (DoS).
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-476 · NULL Pointer Dereference