CVE-2025-68744: bpf: Free special fields when update [lru_,]percpu_hash maps

Published Dec 24, 2025
·
Updated

bpf: Free special fields when update [lru,]percpuhash maps

Affected Software

3 affected componentsFixes available
Linux Linux kernel
Microsoft azl3 kernel 6.6.117.1-1
Microsoft azl3 kernel 6.6.119.3-3

Event History

Dec 24, 2025
CVE Published
via MITRE·12:09 PM
Data Sourced
via MITRE·12:09 PM
Description
Data Sourced
via NVD·01:16 PM
Description
Dec 25, 2025
Data Sourced
via Microsoft·01:03 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·09:03 AM
DescriptionSeverity
Updated
via Microsoft·09:03 AM
Affected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-68744?

The severity of CVE-2025-68744 is classified as moderate due to potential memory reference issues.

2

How do I fix CVE-2025-68744?

To fix CVE-2025-68744, update your Linux kernel to the latest stable version where this vulnerability has been patched.

3

What impact does CVE-2025-68744 have on affected systems?

CVE-2025-68744 can lead to memory corruption and may affect the stability of the affected systems.

4

Which versions of the Linux kernel are affected by CVE-2025-68744?

CVE-2025-68744 affects specific versions of the Linux kernel, particularly those prior to the patch release.

5

Is CVE-2025-68744 exploitable remotely?

CVE-2025-68744 is not directly exploitable remotely, but it can affect systems if attacked locally through specially crafted inputs.

Contact

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