MEDIUM 5.5 Microsoft
CVE-2026-31551
wifi: mac80211: Fix static_branch_dec() underflow for aql_disable.
Microsoft Security Update 2026-Apr: wifi: mac80211: Fix static_branch_dec() underflow for aql_disable.
Affected Products
- cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-31551
- https://nvd.nist.gov/vuln/detail/CVE-2026-31551
This medium severity vulnerability with a CVSS score of 5.5 was published on 2026-04-14 via Microsoft. Affected: cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0.
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