========================================================================== Ubuntu Security Notice USN-7931-1 December 15, 2025
linux, linux-aws, linux-aws-6.8, linux-gcp, linux-gcp-6.8, linux-gke, linux-gkeop, linux-hwe-6.8, linux-ibm, linux-ibm-6.8, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, linux-oracle, linux-oracle-6.8 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS - Ubuntu 22.04 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-gke: Linux kernel for Google Container Engine (GKE) systems - linux-gkeop: Linux kernel for Google Container Engine (GKE) systems - linux-ibm: Linux kernel for IBM cloud systems - linux-lowlatency: Linux low latency kernel - linux-nvidia: Linux kernel for NVIDIA systems - linux-nvidia-lowlatency: Linux low latency kernel for NVIDIA systems - linux-oracle: Linux kernel for Oracle Cloud systems - linux-aws-6.8: Linux kernel for Amazon Web Services (AWS) systems - linux-gcp-6.8: Linux kernel for Google Cloud Platform (GCP) systems - linux-hwe-6.8: Linux hardware enablement (HWE) kernel - linux-ibm-6.8: Linux kernel for IBM cloud systems - linux-lowlatency-hwe-6.8: Linux low latency kernel - linux-nvidia-6.8: Linux kernel for NVIDIA systems - linux-oracle-6.8: 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; - Media drivers; - Memory management; - Appletalk network protocol; - Netfilter; (CVE-2025-37958, CVE-2025-38666, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS linux-image-6.8.0-1028-gkeop 6.8.0-1028.31 linux-image-6.8.0-1041-gke 6.8.0-1041.46 linux-image-6.8.0-1041-gke-64k 6.8.0-1041.46 linux-image-6.8.0-1041-oracle 6.8.0-1041.42 linux-image-6.8.0-1041-oracle-64k 6.8.0-1041.42 linux-image-6.8.0-1042-ibm 6.8.0-1042.42 linux-image-6.8.0-1044-aws 6.8.0-1044.46 linux-image-6.8.0-1044-aws-64k 6.8.0-1044.46 linux-image-6.8.0-1044-nvidia 6.8.0-1044.47 linux-image-6.8.0-1044-nvidia-64k 6.8.0-1044.47 linux-image-6.8.0-1044-nvidia-lowlatency 6.8.0-1044.47.1 linux-image-6.8.0-1044-nvidia-lowlatency-64k 6.8.0-1044.47.1 linux-image-6.8.0-1045-gcp 6.8.0-1045.48 linux-image-6.8.0-1045-gcp-64k 6.8.0-1045.48 linux-image-6.8.0-90-generic 6.8.0-90.91 linux-image-6.8.0-90-generic-64k 6.8.0-90.91 linux-image-6.8.0-90-lowlatency 6.8.0-90.91.1 linux-image-6.8.0-90-lowlatency-64k 6.8.0-90.91.1 linux-image-aws-6.8 6.8.0-1044.46 linux-image-aws-64k-6.8 6.8.0-1044.46 linux-image-aws-64k-lts-24.04 6.8.0-1044.46 linux-image-aws-lts-24.04 6.8.0-1044.46 linux-image-gcp-6.8 6.8.0-1045.48 linux-image-gcp-64k-6.8 6.8.0-1045.48 linux-image-gcp-64k-lts-24.04 6.8.0-1045.48 linux-image-gcp-lts-24.04 6.8.0-1045.48 linux-image-generic 6.8.0-90.91 linux-image-generic-6.8 6.8.0-90.91 linux-image-generic-64k 6.8.0-90.91 linux-image-generic-64k-6.8 6.8.0-90.91 linux-image-generic-lpae 6.8.0-90.91 linux-image-gke 6.8.0-1041.46 linux-image-gke-6.8 6.8.0-1041.46 linux-image-gke-64k 6.8.0-1041.46 linux-image-gke-64k-6.8 6.8.0-1041.46 linux-image-gkeop 6.8.0-1028.31 linux-image-gkeop-6.8 6.8.0-1028.31 linux-image-ibm 6.8.0-1042.42 linux-image-ibm-6.8 6.8.0-1042.42 linux-image-ibm-classic 6.8.0-1042.42 linux-image-ibm-lts-24.04 6.8.0-1042.42 linux-image-intel-iotg 6.8.0-90.91 linux-image-kvm 6.8.0-90.91 linux-image-lowlatency 6.8.0-90.91.1 linux-image-lowlatency-6.8 6.8.0-90.91.1 linux-image-lowlatency-64k 6.8.0-90.91.1 linux-image-lowlatency-64k-6.8 6.8.0-90.91.1 linux-image-nvidia 6.8.0-1044.47 linux-image-nvidia-6.8 6.8.0-1044.47 linux-image-nvidia-64k 6.8.0-1044.47 linux-image-nvidia-64k-6.8 6.8.0-1044.47 linux-image-nvidia-lowlatency 6.8.0-1044.47.1 linux-image-nvidia-lowlatency-6.8 6.8.0-1044.47.1 linux-image-nvidia-lowlatency-64k 6.8.0-1044.47.1 linux-image-nvidia-lowlatency-64k-6.8 6.8.0-1044.47.1 linux-image-oracle-6.8 6.8.0-1041.42 linux-image-oracle-64k-6.8 6.8.0-1041.42 linux-image-oracle-64k-lts-24.04 6.8.0-1041.42 linux-image-oracle-lts-24.04 6.8.0-1041.42 linux-image-virtual 6.8.0-90.91 linux-image-virtual-6.8 6.8.0-90.91 Ubuntu 22.04 LTS linux-image-6.8.0-1041-oracle 6.8.0-1041.42~22.04.1 linux-image-6.8.0-1041-oracle-64k 6.8.0-1041.42~22.04.1 linux-image-6.8.0-1042-ibm 6.8.0-1042.42~22.04.1 linux-image-6.8.0-1044-aws 6.8.0-1044.46~22.04.1 linux-image-6.8.0-1044-aws-64k 6.8.0-1044.46~22.04.1 linux-image-6.8.0-1044-nvidia 6.8.0-1044.47~22.04.1 linux-image-6.8.0-1044-nvidia-64k 6.8.0-1044.47~22.04.1 linux-image-6.8.0-1045-gcp 6.8.0-1045.48~22.04.1 linux-image-6.8.0-1045-gcp-64k 6.8.0-1045.48~22.04.1 linux-image-6.8.0-90-generic 6.8.0-90.91~22.04.1 linux-image-6.8.0-90-generic-64k 6.8.0-90.91~22.04.1 linux-image-6.8.0-90-lowlatency 6.8.0-90.91.1~22.04.1 linux-image-6.8.0-90-lowlatency-64k 6.8.0-90.91.1~22.04.1 linux-image-aws 6.8.0-1044.46~22.04.1 linux-image-aws-6.8 6.8.0-1044.46~22.04.1 linux-image-aws-64k 6.8.0-1044.46~22.04.1 linux-image-aws-64k-6.8 6.8.0-1044.46~22.04.1 linux-image-gcp 6.8.0-1045.48~22.04.1 linux-image-gcp-6.8 6.8.0-1045.48~22.04.1 linux-image-gcp-64k 6.8.0-1045.48~22.04.1 linux-image-gcp-64k-6.8 6.8.0-1045.48~22.04.1 linux-image-generic-6.8 6.8.0-90.91~22.04.1 linux-image-generic-64k-6.8 6.8.0-90.91~22.04.1 linux-image-generic-64k-hwe-22.04 6.8.0-90.91~22.04.1 linux-image-generic-hwe-22.04 6.8.0-90.91~22.04.1 linux-image-ibm-6.8 6.8.0-1042.42~22.04.1 linux-image-lowlatency-6.8 6.8.0-90.91.1~22.04.1 linux-image-lowlatency-64k-6.8 6.8.0-90.91.1~22.04.1 linux-image-lowlatency-64k-hwe-22.04 6.8.0-90.91.1~22.04.1 linux-image-lowlatency-hwe-22.04 6.8.0-90.91.1~22.04.1 linux-image-nvidia-6.8 6.8.0-1044.47~22.04.1 linux-image-nvidia-64k-6.8 6.8.0-1044.47~22.04.1 linux-image-nvidia-64k-hwe-22.04 6.8.0-1044.47~22.04.1 linux-image-nvidia-hwe-22.04 6.8.0-1044.47~22.04.1 linux-image-oem-22.04 6.8.0-90.91~22.04.1 linux-image-oem-22.04a 6.8.0-90.91~22.04.1 linux-image-oem-22.04b 6.8.0-90.91~22.04.1 linux-image-oem-22.04c 6.8.0-90.91~22.04.1 linux-image-oem-22.04d 6.8.0-90.91~22.04.1 linux-image-oracle 6.8.0-1041.42~22.04.1 linux-image-oracle-6.8 6.8.0-1041.42~22.04.1 linux-image-oracle-64k 6.8.0-1041.42~22.04.1 linux-image-oracle-64k-6.8 6.8.0-1041.42~22.04.1 linux-image-virtual-6.8 6.8.0-90.91~22.04.1 linux-image-virtual-hwe-22.04 6.8.0-90.91~22.04.1 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-7931-1 CVE-2025-37958, CVE-2025-38666, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018 Package Information: https://launchpad.net/ubuntu/+source/linux/6.8.0-90.91 https://launchpad.net/ubuntu/+source/linux-aws/6.8.0-1044.46 https://launchpad.net/ubuntu/+source/linux-gcp/6.8.0-1045.48 https://launchpad.net/ubuntu/+source/linux-gke/6.8.0-1041.46 https://launchpad.net/ubuntu/+source/linux-gkeop/6.8.0-1028.31 https://launchpad.net/ubuntu/+source/linux-ibm/6.8.0-1042.42 https://launchpad.net/ubuntu/+source/linux-lowlatency/6.8.0-90.91.1 https://launchpad.net/ubuntu/+source/linux-nvidia/6.8.0-1044.47 https://launchpad.net/ubuntu/+source/linux-nvidia-lowlatency/6.8.0-1044.47.1 https://launchpad.net/ubuntu/+source/linux-oracle/6.8.0-1041.42 https://launchpad.net/ubuntu/+source/linux-aws-6.8/6.8.0-1044.46~22.04.1 https://launchpad.net/ubuntu/+source/linux-gcp-6.8/6.8.0-1045.48~22.04.1 https://launchpad.net/ubuntu/+source/linux-hwe-6.8/6.8.0-90.91~22.04.1 https://launchpad.net/ubuntu/+source/linux-ibm-6.8/6.8.0-1042.42~22.04.1https://launchpad.net/ubuntu/+source/linux-lowlatency-hwe-6.8/6.8.0-90.91.1~22.04.1
https://launchpad.net/ubuntu/+source/linux-nvidia-6.8/6.8.0-1044.47~22.04.1 https://launchpad.net/ubuntu/+source/linux-oracle-6.8/6.8.0-1041.42~22.04.1
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