========================================================================== Ubuntu Security Notice USN-7704-1 August 20, 2025 linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gcp-5.15, linux-gkeop, linux-hwe-5.15, linux-ibm-5.15, linux-intel-iot-realtime, linux-intel-iotg-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-nvidia-tegra-igx, linux-oracle-5.15, linux-realtime, linux-xilinx-zynqmp vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 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-gkeop: Linux kernel for Google Container Engine (GKE) systems - linux-intel-iot-realtime: Linux kernel for Intel IoT Real-time platforms - linux-lowlatency: Linux low latency kernel - linux-nvidia-tegra: Linux kernel for NVIDIA Tegra systems - linux-nvidia-tegra-igx: Linux kernel for NVIDIA Tegra IGX systems - linux-realtime: Linux kernel for Real-time systems - linux-xilinx-zynqmp: Linux kernel for Xilinx ZynqMP processors - linux-aws-5.15: Linux kernel for Amazon Web Services (AWS) systems - linux-gcp-5.15: Linux kernel for Google Cloud Platform (GCP) systems - linux-hwe-5.15: Linux hardware enablement (HWE) kernel - linux-ibm-5.15: Linux kernel for IBM cloud systems - linux-intel-iotg-5.15: Linux kernel for Intel IoT platforms - linux-lowlatency-hwe-5.15: Linux low latency kernel - linux-nvidia-tegra-5.15: Linux kernel for NVIDIA Tegra systems - linux-oracle-5.15: 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: - Cryptographic API; - Arm Firmware Framework for ARMv8-A(FFA); - Multiple devices driver; - Media drivers; - Network drivers; - NVDIMM (Non-Volatile Memory Device) drivers; - NVME drivers; - x86 platform drivers; - TCM subsystem; - Virtio drivers; - File systems infrastructure; - SMB network file system; - LZO compression library; - Digital Audio (PCM) driver; - Tracing infrastructure; - Padata parallel execution mechanism; - CAN network layer; - Networking core; - TIPC protocol; - ALSA framework; (CVE-2025-38079, CVE-2025-38048, CVE-2025-38075, CVE-2025-38077, CVE-2025-38035, CVE-2025-38037, CVE-2025-38034, CVE-2025-38058, CVE-2025-38004, CVE-2025-38031, CVE-2025-38078, CVE-2025-38044, CVE-2025-38066, CVE-2025-38052, CVE-2025-38043, CVE-2025-38065, CVE-2025-38003, CVE-2025-38061, CVE-2025-38051, CVE-2025-38072, CVE-2025-38068) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS linux-image-5.15.0-1032-nvidia-tegra-igx 5.15.0-1032.32 linux-image-5.15.0-1032-nvidia-tegra-igx-rt 5.15.0-1032.32 linux-image-5.15.0-1043-nvidia-tegra 5.15.0-1043.43 linux-image-5.15.0-1043-nvidia-tegra-rt 5.15.0-1043.43 linux-image-5.15.0-1054-xilinx-zynqmp 5.15.0-1054.58 linux-image-5.15.0-1073-gkeop 5.15.0-1073.81 linux-image-5.15.0-1083-intel-iot-realtime 5.15.0-1083.85 Available with Ubuntu Pro linux-image-5.15.0-1090-aws 5.15.0-1090.97 linux-image-5.15.0-1090-aws-64k 5.15.0-1090.97 linux-image-5.15.0-1090-gcp 5.15.0-1090.99 linux-image-5.15.0-1090-realtime 5.15.0-1090.99 Available with Ubuntu Pro linux-image-5.15.0-152-generic 5.15.0-152.162 linux-image-5.15.0-152-generic-64k 5.15.0-152.162 linux-image-5.15.0-152-generic-lpae 5.15.0-152.162 linux-image-5.15.0-152-lowlatency 5.15.0-152.162 linux-image-5.15.0-152-lowlatency-64k 5.15.0-152.162 linux-image-aws-5.15 5.15.0.1090.93 linux-image-aws-64k-5.15 5.15.0.1090.93 linux-image-aws-64k-lts-22.04 5.15.0.1090.93 linux-image-aws-lts-22.04 5.15.0.1090.93 linux-image-gcp-5.15 5.15.0.1090.86 linux-image-gcp-lts-22.04 5.15.0.1090.86 linux-image-generic 5.15.0.152.152 linux-image-generic-5.15 5.15.0.152.152 linux-image-generic-64k 5.15.0.152.152 linux-image-generic-64k-5.15 5.15.0.152.152 linux-image-generic-lpae 5.15.0.152.152 linux-image-generic-lpae-5.15 5.15.0.152.152 linux-image-gkeop 5.15.0.1073.72 linux-image-gkeop-5.15 5.15.0.1073.72 linux-image-intel-iot-realtime 5.15.0.1083.87 Available with Ubuntu Pro linux-image-intel-iot-realtime-5.15 5.15.0.1083.87 Available with Ubuntu Pro linux-image-lowlatency 5.15.0.152.133 linux-image-lowlatency-5.15 5.15.0.152.133 linux-image-lowlatency-64k 5.15.0.152.133 linux-image-lowlatency-64k-5.15 5.15.0.152.133 linux-image-nvidia-tegra 5.15.0.1043.43 linux-image-nvidia-tegra-5.15 5.15.0.1043.43 linux-image-nvidia-tegra-igx 5.15.0.1032.34 linux-image-nvidia-tegra-igx-5.15 5.15.0.1032.34 linux-image-nvidia-tegra-igx-rt 5.15.0.1032.34 linux-image-nvidia-tegra-igx-rt-5.15 5.15.0.1032.34 linux-image-nvidia-tegra-rt 5.15.0.1043.43 linux-image-nvidia-tegra-rt-5.15 5.15.0.1043.43 linux-image-realtime 5.15.0.1090.94 Available with Ubuntu Pro linux-image-realtime-5.15 5.15.0.1090.94 Available with Ubuntu Pro linux-image-virtual 5.15.0.152.152 linux-image-virtual-5.15 5.15.0.152.152 linux-image-xilinx-zynqmp 5.15.0.1054.57 linux-image-xilinx-zynqmp-5.15 5.15.0.1054.57 Ubuntu 20.04 LTS linux-image-5.15.0-1043-nvidia-tegra 5.15.0-1043.43~20.04.1 Available with Ubuntu Pro linux-image-5.15.0-1043-nvidia-tegra-rt 5.15.0-1043.43~20.04.1 Available with Ubuntu Pro linux-image-5.15.0-1083-ibm 5.15.0-1083.86~20.04.1 Available with Ubuntu Pro linux-image-5.15.0-1085-intel-iotg 5.15.0-1085.91~20.04.1 Available with Ubuntu Pro linux-image-5.15.0-1088-oracle 5.15.0-1088.94~20.04.1 Available with Ubuntu Pro linux-image-5.15.0-1090-aws 5.15.0-1090.97~20.04.1 Available with Ubuntu Pro linux-image-5.15.0-1090-gcp 5.15.0-1090.99~20.04.1 Available with Ubuntu Pro linux-image-5.15.0-152-generic 5.15.0-152.162~20.04.1 Available with Ubuntu Pro linux-image-5.15.0-152-generic-64k 5.15.0-152.162~20.04.1 Available with Ubuntu Pro linux-image-5.15.0-152-generic-lpae 5.15.0-152.162~20.04.1 Available with Ubuntu Pro linux-image-5.15.0-152-lowlatency 5.15.0-152.162~20.04.1 Available with Ubuntu Pro linux-image-5.15.0-152-lowlatency-64k 5.15.0-152.162~20.04.1 Available with Ubuntu Pro linux-image-aws 5.15.0.1090.97~20.04.1 Available with Ubuntu Pro linux-image-aws-5.15 5.15.0.1090.97~20.04.1 Available with Ubuntu Pro linux-image-gcp 5.15.0.1090.99~20.04.1 Available with Ubuntu Pro linux-image-gcp-5.15 5.15.0.1090.99~20.04.1 Available with Ubuntu Pro linux-image-generic-5.15 5.15.0.152.162~20.04.1 Available with Ubuntu Pro linux-image-generic-64k-5.15 5.15.0.152.162~20.04.1 Available with Ubuntu Pro linux-image-generic-64k-hwe-20.04 5.15.0.152.162~20.04.1 Available with Ubuntu Pro linux-image-generic-hwe-20.04 5.15.0.152.162~20.04.1 Available with Ubuntu Pro linux-image-generic-lpae-5.15 5.15.0.152.162~20.04.1 Available with Ubuntu Pro linux-image-generic-lpae-hwe-20.04 5.15.0.152.162~20.04.1 Available with Ubuntu Pro linux-image-ibm 5.15.0.1083.86~20.04.1 Available with Ubuntu Pro linux-image-ibm-5.15 5.15.0.1083.86~20.04.1 Available with Ubuntu Pro linux-image-intel 5.15.0.1085.91~20.04.1 Available with Ubuntu Pro linux-image-intel-iotg 5.15.0.1085.91~20.04.1 Available with Ubuntu Pro linux-image-intel-iotg-5.15 5.15.0.1085.91~20.04.1 Available with Ubuntu Pro linux-image-lowlatency-5.15 5.15.0.152.162~20.04.1 Available with Ubuntu Pro linux-image-lowlatency-64k-5.15 5.15.0.152.162~20.04.1 Available with Ubuntu Pro linux-image-lowlatency-64k-hwe-20.04 5.15.0.152.162~20.04.1 Available with Ubuntu Pro linux-image-lowlatency-hwe-20.04 5.15.0.152.162~20.04.1 Available with Ubuntu Pro linux-image-nvidia-tegra 5.15.0.1043.43~20.04.1 Available with Ubuntu Pro linux-image-nvidia-tegra-5.15 5.15.0.1043.43~20.04.1 Available with Ubuntu Pro linux-image-nvidia-tegra-rt 5.15.0.1043.43~20.04.1 Available with Ubuntu Pro linux-image-nvidia-tegra-rt-5.15 5.15.0.1043.43~20.04.1 Available with Ubuntu Pro linux-image-oem-20.04 5.15.0.152.162~20.04.1 Available with Ubuntu Pro linux-image-oem-20.04b 5.15.0.152.162~20.04.1 Available with Ubuntu Pro linux-image-oem-20.04c 5.15.0.152.162~20.04.1 Available with Ubuntu Pro linux-image-oem-20.04d 5.15.0.152.162~20.04.1 Available with Ubuntu Pro linux-image-oracle 5.15.0.1088.94~20.04.1 Available with Ubuntu Pro linux-image-oracle-5.15 5.15.0.1088.94~20.04.1 Available with Ubuntu Pro linux-image-virtual-5.15 5.15.0.152.162~20.04.1 Available with Ubuntu Pro linux-image-virtual-hwe-20.04 5.15.0.152.162~20.04.1 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-7704-1 CVE-2025-38003, CVE-2025-38004, CVE-2025-38031, CVE-2025-38034, CVE-2025-38035, CVE-2025-38037, CVE-2025-38043, CVE-2025-38044, CVE-2025-38048, CVE-2025-38051, CVE-2025-38052, CVE-2025-38058, CVE-2025-38061, CVE-2025-38065, CVE-2025-38066, CVE-2025-38068, CVE-2025-38072, CVE-2025-38075, CVE-2025-38077, CVE-2025-38078, CVE-2025-38079 Package Information: https://launchpad.net/ubuntu/+source/linux/5.15.0-152.162 https://launchpad.net/ubuntu/+source/linux-aws/5.15.0-1090.97 https://launchpad.net/ubuntu/+source/linux-gcp/5.15.0-1090.99 https://launchpad.net/ubuntu/+source/linux-gkeop/5.15.0-1073.81 https://launchpad.net/ubuntu/+source/linux-intel-iot-realtime/5.15.0-1083.85 https://launchpad.net/ubuntu/+source/linux-lowlatency/5.15.0-152.162 https://launchpad.net/ubuntu/+source/linux-nvidia-tegra/5.15.0-1043.43 https://launchpad.net/ubuntu/+source/linux-nvidia-tegra-igx/5.15.0-1032.32 https://launchpad.net/ubuntu/+source/linux-realtime/5.15.0-1090.99 https://launchpad.net/ubuntu/+source/linux-xilinx-zynqmp/5.15.0-1054.58