Bug 2460711 (CVE-2026-31506)

Summary: CVE-2026-31506 kernel: net: bcmasp: fix double free of WoL irq
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
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OS: Linux   
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A flaw was found in the Linux kernel's bcmasp component. This vulnerability involves a double free error in the handling of the Wake-on-LAN (WoL) interrupt request (irq). An attacker could potentially exploit this to cause memory corruption, leading to a denial of service (DoS) or, in more severe cases, arbitrary code execution.
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Description OSIDB Bzimport 2026-04-22 15:06:53 UTC 
In the Linux kernel, the following vulnerability has been resolved:

net: bcmasp: fix double free of WoL irq

We do not need to free wol_irq since it was instantiated with
devm_request_irq(). So devres will free for us.
Comment 1 Keith Grant 2026-04-22 19:38:07 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026042207-CVE-2026-31506-31d7@gregkh/T