CVE-2025-71147

kernel: Linux kernel: Denial of Service due to memory leak in tpm2_load_cmd

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · January 23, 2026

Updated · October 15, 2026

Description

A flaw was found in the Linux kernel's trusted keys subsystem. A local user could exploit a memory leak in the tpm2_load_cmd function, which fails to free a temporary memory allocation in certain error scenarios. This memory leak could lead to a system-wide Denial of Service (DoS) by exhausting available memory resources.

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-772 · Missing Release of Resource after Effective Lifetime