========================================================================== Ubuntu Security Notice USN-8244-1 May 07, 2026 linux, linux-aws, linux-aws-6.17, linux-gcp, linux-gcp-6.17, linux-hwe-6.17, linux-oracle, linux-realtime, linux-realtime-6.17 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 24.04 LTS Summary: Several security issues were fixed in the Linux kernel. Software Description: - linux: Linux kernel - linux-aws: Linux kernel for Amazon Web Services (AWS) systems - linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems - linux-oracle: Linux kernel for Oracle Cloud systems - linux-realtime: Linux kernel for Real-time systems - linux-aws-6.17: Linux kernel for Amazon Web Services (AWS) systems - linux-gcp-6.17: Linux kernel for Google Cloud Platform (GCP) systems - linux-hwe-6.17: Linux hardware enablement (HWE) kernel - linux-realtime-6.17: Linux kernel for Real-time systems Details: Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network drivers; - NVME drivers; - Netfilter; (CVE-2026-23112, CVE-2026-23231, CVE-2026-23273) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 linux-image-6.17.0-1011-realtime 6.17.0-1011.12 linux-image-6.17.0-1012-oracle 6.17.0-1012.12 linux-image-6.17.0-1012-oracle-64k 6.17.0-1012.12 linux-image-6.17.0-1013-aws 6.17.0-1013.13 linux-image-6.17.0-1013-aws-64k 6.17.0-1013.13 linux-image-6.17.0-1013-gcp 6.17.0-1013.13 linux-image-6.17.0-1013-gcp-64k 6.17.0-1013.13 linux-image-6.17.0-23-generic 6.17.0-23.23 linux-image-6.17.0-23-generic-64k 6.17.0-23.23 linux-image-aws 6.17.0-1013.13 linux-image-aws-6.17 6.17.0-1013.13 linux-image-aws-64k 6.17.0-1013.13 linux-image-aws-64k-6.17 6.17.0-1013.13 linux-image-gcp 6.17.0-1013.13 linux-image-gcp-6.17 6.17.0-1013.13 linux-image-gcp-64k 6.17.0-1013.13 linux-image-gcp-64k-6.17 6.17.0-1013.13 linux-image-generic 6.17.0-23.23 linux-image-generic-6.17 6.17.0-23.23 linux-image-generic-64k 6.17.0-23.23 linux-image-generic-64k-6.17 6.17.0-23.23 linux-image-oracle 6.17.0-1012.12 linux-image-oracle-6.17 6.17.0-1012.12 linux-image-oracle-64k 6.17.0-1012.12 linux-image-oracle-64k-6.17 6.17.0-1012.12 linux-image-realtime 6.17.0-1011.12 linux-image-realtime-6.17 6.17.0-1011.12 linux-image-virtual 6.17.0-23.23 linux-image-virtual-6.17 6.17.0-23.23 Ubuntu 24.04 LTS linux-image-6.17.0-1011-realtime 6.17.0-1011.12~24.04.1 Available with Ubuntu Pro linux-image-6.17.0-1013-aws 6.17.0-1013.13~24.04.1 linux-image-6.17.0-1013-aws-64k 6.17.0-1013.13~24.04.1 linux-image-6.17.0-1013-gcp 6.17.0-1013.13~24.04.1 linux-image-6.17.0-1013-gcp-64k 6.17.0-1013.13~24.04.1 linux-image-6.17.0-23-generic 6.17.0-23.23~24.04.1 linux-image-6.17.0-23-generic-64k 6.17.0-23.23~24.04.1 linux-image-aws 6.17.0-1013.13~24.04.1 linux-image-aws-6.17 6.17.0-1013.13~24.04.1 linux-image-aws-64k 6.17.0-1013.13~24.04.1 linux-image-aws-64k-6.17 6.17.0-1013.13~24.04.1 linux-image-gcp 6.17.0-1013.13~24.04.1 linux-image-gcp-6.17 6.17.0-1013.13~24.04.1 linux-image-gcp-64k 6.17.0-1013.13~24.04.1 linux-image-gcp-64k-6.17 6.17.0-1013.13~24.04.1 linux-image-generic-6.17 6.17.0-23.23~24.04.1 linux-image-generic-64k-6.17 6.17.0-23.23~24.04.1 linux-image-generic-64k-hwe-24.04 6.17.0-23.23~24.04.1 linux-image-generic-hwe-24.04 6.17.0-23.23~24.04.1 linux-image-realtime-6.17 6.17.0-1011.12~24.04.1 Available with Ubuntu Pro linux-image-realtime-hwe-24.04 6.17.0-1011.12~24.04.1 Available with Ubuntu Pro linux-image-virtual-6.17 6.17.0-23.23~24.04.1 linux-image-virtual-hwe-24.04 6.17.0-23.23~24.04.1 After a standard system update you need to reboot your computer to make all the necessary changes. ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well. References: https://ubuntu.com/security/notices/USN-8244-1 CVE-2026-23112, CVE-2026-23231, CVE-2026-23273 Package Information: https://launchpad.net/ubuntu/+source/linux/6.17.0-23.23 https://launchpad.net/ubuntu/+source/linux-aws/6.17.0-1013.13 https://launchpad.net/ubuntu/+source/linux-gcp/6.17.0-1013.13 https://launchpad.net/ubuntu/+source/linux-oracle/6.17.0-1012.12 https://launchpad.net/ubuntu/+source/linux-realtime/6.17.0-1011.12 https://launchpad.net/ubuntu/+source/linux-aws-6.17/6.17.0-1013.13~24.04.1 https://launchpad.net/ubuntu/+source/linux-gcp-6.17/6.17.0-1013.13~24.04.1 https://launchpad.net/ubuntu/+source/linux-hwe-6.17/6.17.0-23.23~24.04.1 https://launchpad.net/ubuntu/+source/linux-realtime-6.17/6.17.0-1011.12~24.04.1
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