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Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish) logo

Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish) Update

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Update Summary

USN-8730-1 fixes a Linux kernel security issue in Ubuntu Server 22.04 LTS. The update addresses flaws in IPv6 networking and Netfilter that could allow an attacker to compromise the system.

Update Details

Security

  • Fixes a Linux kernel security issue that could allow system compromise.
  • Addresses flaws in IPv6 networking and Netfilter.

Hints

  • A reboot is required after updating the kernel.
  • Due to an unavoidable ABI change, third-party kernel modules must be recompiled and reinstalled after the update.

Product Information

Vendor: Canonical

Product: Ubuntu Server

Product type: Software

Application category: Utilities

Platform: Linux

Variant: 22.04 LTS (Jammy Jellyfish)

Vendor release date: Sep 7, 2026

Original release notes: View on vendor site

Published on updatealert.io: Sep 8, 2026

Description: Server operating system for Linux infrastructure and workloads.

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