MEDIUM 4.7 Microsoft
CVE-2026-23473
io_uring/poll: fix multishot recv missing EOF on wakeup race
Microsoft Security Update 2026-Apr: io_uring/poll: fix multishot recv missing EOF on wakeup race
Affected Products
- azl3 kernel 6.6.130.1-3 on Azure Linux 3.0
- azl3 kernel 6.6.134.1-2 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23473
- https://nvd.nist.gov/vuln/detail/CVE-2026-23473
This medium severity vulnerability with a CVSS score of 4.7 was published on 2026-04-14 via Microsoft. Affected: azl3 kernel 6.6.130.1-3 on Azure Linux 3.0, azl3 kernel 6.6.134.1-2 on Azure Linux 3.0.
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