CVE-2026-31506: net: bcmasp: fix double free of WoL irq

Published Apr 22, 2026
·
Updated

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

net: bcmasp: fix double free of WoL irq

We do not need to free wolirq since it was instantiated with devmrequestirq(). So devres will free for us.

Affected Software

12 affected components
Linux Linux kernel
Linux Linux kernel>=6.6.1<6.12.80
Linux Linux kernel>=6.13<6.18.21
Linux Linux kernel>=6.19<6.19.11
Linux Linux kernel=6.6
Linux Linux kernel=7.0-rc1
Linux Linux kernel=7.0-rc2
Linux Linux kernel=7.0-rc3
Linux Linux kernel=7.0-rc4
Linux Linux kernel=7.0-rc5
Linux Linux kernel=7.0-rc6
Linux Linux kernel=7.0-rc7

Event History

Apr 22, 2026
CVE Published
via MITRE·01:54 PM
Data Sourced
via MITRE·01:54 PM
Description
Data Sourced
via NVD·02:16 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-31506?

CVE-2026-31506 has a medium severity rating due to the potential for a double free vulnerability in the Linux kernel.

2

What does CVE-2026-31506 affect?

CVE-2026-31506 affects the Linux kernel, specifically the net: bcmasp component.

3

How do I fix CVE-2026-31506?

To fix CVE-2026-31506, ensure your system is updated to a patched version of the Linux kernel that addresses this vulnerability.

4

What is the impact of CVE-2026-31506?

The impact of CVE-2026-31506 could include system instability or crashes caused by the double free of the Wake-on-LAN IRQ.

5

Is CVE-2026-31506 present in all Linux kernel versions?

No, CVE-2026-31506 is specific to certain versions of the Linux kernel that contain the affected net: bcmasp implementation.

Contact

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