CVE-2025-71147: KEYS: trusted: Fix a memory leak in tpm2_load_cmd

Published Jan 23, 2026
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

KEYS: trusted: Fix a memory leak in tpm2loadcmd

'tpm2loadcmd' allocates a tempoary blob indirectly via 'tpm2keydecode' but it is not freed in the failure paths. Address this by wrapping the blob into with a cleanup helper.

Affected Software

7 affected componentsFixes available
Linux Linux kernel
Linux Linux kernel>=5.13<5.15.198
Linux Linux kernel>=5.16<6.1.160
Linux Linux kernel>=6.2<6.6.120
Linux Linux kernel>=6.7<6.12.64
Linux Linux kernel>=6.13<6.18.3
Microsoft cbl2 kernel 5.15.186.1-1

Event History

Jan 23, 2026
CVE Published
via MITRE·02:15 PM
Data Sourced
via MITRE·02:15 PM
Description
Data Sourced
via Red Hat·03:02 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·03:16 PM
RemedyDescriptionSeverityWeaknessAffected Software
Feb 28, 2026
Data Sourced
via Microsoft·09:02 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·09:02 AM
Affected Software
Updated
via Microsoft·09:02 AM
DescriptionSeverity

Frequently Asked Questions

1

What is the severity of CVE-2025-71147?

CVE-2025-71147 is categorized as having a medium severity due to its potential impact on memory management.

2

How do I fix CVE-2025-71147?

To remediate CVE-2025-71147, ensure that you apply the latest patches from the Linux kernel that address the memory leak in the 'tpm2_load_cmd' function.

3

What systems are affected by CVE-2025-71147?

CVE-2025-71147 affects the Linux kernel, particularly systems utilizing the trusted keys feature.

4

What are the consequences of exploiting CVE-2025-71147?

Exploiting CVE-2025-71147 could lead to increased memory usage and potential denial of service due to memory leaks.

5

Is CVE-2025-71147 a remote vulnerability?

CVE-2025-71147 is not classified as a remote vulnerability; it requires local access to exploit the memory leak.

Contact

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