CVE-2023-54189

kernel: Linux kernel: Denial of Service via NULL pointer dereference in pstore/ram

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · December 30, 2025

Updated · March 5, 2026

Description

A flaw was found in the Linux kernel's pstore/ram component. This vulnerability, a type of memory corruption, arises from insufficient error handling when allocating memory. A local user could exploit this to cause a system crash, leading to 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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference