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OpenAdvisories
High USN-8659-3 1 CVE

linux-azure, linux-azure-fde vulnerability

Published Aug 25, 2026 · Updated Aug 26, 2026

Ecosystem: Ubuntu

Summary

A security issue was discovered in the Linux kernel.
An attacker could possibly use this to compromise the system.
This update corrects flaws in the following subsystems:
- Open vSwitch;

Fixed packages 2

ReleasePackageFixed in
Ubuntu · 26.04 LTS 26.04:LTS linux-azure 7.0.0-1012.12
Ubuntu · 26.04 LTS 26.04:LTS linux-azure-fde 7.0.0-1011.11

Vulnerabilities 1

  • High 7.8
    CVE-2026-64531 Public exploit

    net: openvswitch: reject oversized nested action attrs

    In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject oversized nested action attrs Open vSwitch stores generated flow actions as nlattrs, whose nla_len field is u16. Commit a1e64addf3ff ("net: openvswitch: remove misbeh…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

References

  • report
    https://ubuntu.com/security/CVE-2026-64531