HIGH 7.8 Microsoft
CVE-2026-31506
net: bcmasp: fix double free of WoL irq
Microsoft Security Update 2026-Apr: net: bcmasp: fix double free of WoL irq
Affected Products
- azl3 kernel 6.6.134.1-2 on Azure Linux 3.0
- azl3 kernel 6.6.138.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.143.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.145.2-1 on Azure Linux 3.0
- azl3 kernel 6.6.130.1-3 on Azure Linux 3.0
- azl3 kernel 6.6.137.1-2 on Azure Linux 3.0
- azl3 kernel 6.6.139.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.141.1-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-31506
- https://nvd.nist.gov/vuln/detail/CVE-2026-31506
This high severity vulnerability with a CVSS score of 7.8 was published on 2026-04-14 via Microsoft. Affected: azl3 kernel 6.6.134.1-2 on Azure Linux 3.0, azl3 kernel 6.6.138.1-1 on Azure Linux 3.0, azl3 kernel 6.6.143.1-1 on Azure Linux 3.0 and 5 more.
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