MEDIUM 4.7 Microsoft

CVE-2026-23255

net: add proper RCU protection to /proc/net/ptype

Microsoft Security Update 2026-Mar: net: add proper RCU protection to /proc/net/ptype

Affected Products

azl3 kernel 6.6.126.1-1 on Azure Linux 3.0
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-2026-23255
https://nvd.nist.gov/vuln/detail/CVE-2026-23255

Published: 2026-03-10 · Source: Microsoft · Feed updated: 2026-08-10

This medium severity vulnerability with a CVSS score of 4.7 was published on 2026-03-10 via Microsoft. Affected: azl3 kernel 6.6.126.1-1 on Azure Linux 3.0, 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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