========================================================================== Ubuntu Security Notice USN-8200-1 April 22, 2026 linux, linux-aws, linux-aws-5.4, linux-azure, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-iot, linux-kvm, linux-oracle, linux-oracle-5.4, linux-xilinx-zynqmp vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 18.04 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-azure: Linux kernel for Microsoft Azure Cloud systems - linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems - linux-ibm: Linux kernel for IBM cloud systems - linux-iot: Linux kernel for IoT platforms - linux-kvm: Linux kernel for cloud environments - linux-oracle: Linux kernel for Oracle Cloud systems - linux-xilinx-zynqmp: Linux kernel for Xilinx ZynqMP processors - linux-aws-5.4: Linux kernel for Amazon Web Services (AWS) systems - linux-gcp-5.4: Linux kernel for Google Cloud Platform (GCP) systems - linux-hwe-5.4: Linux hardware enablement (HWE) kernel - linux-ibm-5.4: Linux kernel for IBM cloud systems - linux-oracle-5.4: Linux kernel for Oracle Cloud 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: - ARM64 architecture; - Cryptographic API; - GPU drivers; - I2C subsystem; - Network traffic control; (CVE-2022-49046, CVE-2024-46816, CVE-2025-37849, CVE-2026-23060, CVE-2026-23074) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS linux-image-5.4.0-1061-iot 5.4.0-1061.64 Available with Ubuntu Pro linux-image-5.4.0-1075-xilinx-zynqmp 5.4.0-1075.79 Available with Ubuntu Pro linux-image-5.4.0-1103-ibm 5.4.0-1103.108 Available with Ubuntu Pro linux-image-5.4.0-1144-kvm 5.4.0-1144.153 Available with Ubuntu Pro linux-image-5.4.0-1155-oracle 5.4.0-1155.165 Available with Ubuntu Pro linux-image-5.4.0-1157-aws 5.4.0-1157.167 Available with Ubuntu Pro linux-image-5.4.0-1160-gcp 5.4.0-1160.169 Available with Ubuntu Pro linux-image-5.4.0-1161-azure 5.4.0-1161.167 Available with Ubuntu Pro linux-image-5.4.0-228-generic 5.4.0-228.248 Available with Ubuntu Pro linux-image-5.4.0-228-generic-lpae 5.4.0-228.248 Available with Ubuntu Pro linux-image-5.4.0-228-lowlatency 5.4.0-228.248 Available with Ubuntu Pro linux-image-aws-5.4 5.4.0.1157.154 Available with Ubuntu Pro linux-image-aws-lts-20.04 5.4.0.1157.154 Available with Ubuntu Pro linux-image-azure-5.4 5.4.0.1161.153 Available with Ubuntu Pro linux-image-azure-lts-20.04 5.4.0.1161.153 Available with Ubuntu Pro linux-image-gcp-5.4 5.4.0.1160.162 Available with Ubuntu Pro linux-image-gcp-lts-20.04 5.4.0.1160.162 Available with Ubuntu Pro linux-image-generic 5.4.0.228.220 Available with Ubuntu Pro linux-image-generic-5.4 5.4.0.228.220 Available with Ubuntu Pro linux-image-generic-hwe-18.04 5.4.0.228.220 Available with Ubuntu Pro linux-image-generic-lpae 5.4.0.228.220 Available with Ubuntu Pro linux-image-generic-lpae-5.4 5.4.0.228.220 Available with Ubuntu Pro linux-image-generic-lpae-hwe-18.04 5.4.0.228.220 Available with Ubuntu Pro linux-image-ibm-5.4 5.4.0.1103.132 Available with Ubuntu Pro linux-image-ibm-lts-20.04 5.4.0.1103.132 Available with Ubuntu Pro linux-image-kvm 5.4.0.1144.140 Available with Ubuntu Pro linux-image-kvm-5.4 5.4.0.1144.140 Available with Ubuntu Pro linux-image-lowlatency 5.4.0.228.220 Available with Ubuntu Pro linux-image-lowlatency-5.4 5.4.0.228.220 Available with Ubuntu Pro linux-image-lowlatency-hwe-18.04 5.4.0.228.220 Available with Ubuntu Pro linux-image-oem 5.4.0.228.220 Available with Ubuntu Pro linux-image-oem-osp1 5.4.0.228.220 Available with Ubuntu Pro linux-image-oracle-5.4 5.4.0.1155.149 Available with Ubuntu Pro linux-image-oracle-lts-20.04 5.4.0.1155.149 Available with Ubuntu Pro linux-image-virtual 5.4.0.228.220 Available with Ubuntu Pro linux-image-virtual-5.4 5.4.0.228.220 Available with Ubuntu Pro linux-image-virtual-hwe-18.04 5.4.0.228.220 Available with Ubuntu Pro linux-image-xilinx-zynqmp 5.4.0.1075.75 Available with Ubuntu Pro linux-image-xilinx-zynqmp-5.4 5.4.0.1075.75 Available with Ubuntu Pro Ubuntu 18.04 LTS linux-image-5.4.0-1103-ibm 5.4.0-1103.108~18.04.1 Available with Ubuntu Pro linux-image-5.4.0-1155-oracle 5.4.0-1155.165~18.04.1 Available with Ubuntu Pro linux-image-5.4.0-1157-aws 5.4.0-1157.167~18.04.1 Available with Ubuntu Pro linux-image-5.4.0-1160-gcp 5.4.0-1160.169~18.04.1 Available with Ubuntu Pro linux-image-5.4.0-228-generic 5.4.0-228.248~18.04.1 Available with Ubuntu Pro linux-image-5.4.0-228-lowlatency 5.4.0-228.248~18.04.1 Available with Ubuntu Pro linux-image-aws 5.4.0.1157.167~18.04.1 Available with Ubuntu Pro linux-image-aws-5.4 5.4.0.1157.167~18.04.1 Available with Ubuntu Pro linux-image-gcp 5.4.0.1160.169~18.04.1 Available with Ubuntu Pro linux-image-gcp-5.4 5.4.0.1160.169~18.04.1 Available with Ubuntu Pro linux-image-generic-5.4 5.4.0.228.248~18.04.1 Available with Ubuntu Pro linux-image-generic-hwe-18.04 5.4.0.228.248~18.04.1 Available with Ubuntu Pro linux-image-ibm 5.4.0.1103.108~18.04.1 Available with Ubuntu Pro linux-image-ibm-5.4 5.4.0.1103.108~18.04.1 Available with Ubuntu Pro linux-image-lowlatency-5.4 5.4.0.228.248~18.04.1 Available with Ubuntu Pro linux-image-lowlatency-hwe-18.04 5.4.0.228.248~18.04.1 Available with Ubuntu Pro linux-image-oem 5.4.0.228.248~18.04.1 Available with Ubuntu Pro linux-image-oem-osp1 5.4.0.228.248~18.04.1 Available with Ubuntu Pro linux-image-oracle 5.4.0.1155.165~18.04.1 Available with Ubuntu Pro linux-image-oracle-5.4 5.4.0.1155.165~18.04.1 Available with Ubuntu Pro linux-image-snapdragon-5.4 5.4.0.228.248~18.04.1 Available with Ubuntu Pro linux-image-snapdragon-hwe-18.04 5.4.0.228.248~18.04.1 Available with Ubuntu Pro linux-image-virtual-5.4 5.4.0.228.248~18.04.1 Available with Ubuntu Pro linux-image-virtual-hwe-18.04 5.4.0.228.248~18.04.1 Available with Ubuntu Pro 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-8200-1 CVE-2022-49046, CVE-2024-46816, CVE-2025-37849, CVE-2026-23060, CVE-2026-23074
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