========================================================================== Ubuntu Security Notice USN-7682-4 August 01, 2025
linux-lowlatency, linux-lowlatency-hwe-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-lowlatency: Linux low latency kernel - linux-lowlatency-hwe-6.8: Linux low latency kernel 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 traffic control; (CVE-2025-38083, CVE-2025-37797) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS linux-image-6.8.0-65-lowlatency 6.8.0-65.68.1 linux-image-6.8.0-65-lowlatency-64k 6.8.0-65.68.1 linux-image-lowlatency 6.8.0-65.68.1 linux-image-lowlatency-6.8 6.8.0-65.68.1 linux-image-lowlatency-64k 6.8.0-65.68.1 linux-image-lowlatency-64k-6.8 6.8.0-65.68.1 Ubuntu 22.04 LTS linux-image-6.8.0-65-lowlatency 6.8.0-65.68.1~22.04.1 linux-image-6.8.0-65-lowlatency-64k 6.8.0-65.68.1~22.04.1 linux-image-lowlatency-6.8 6.8.0-65.68.1~22.04.1 linux-image-lowlatency-64k-6.8 6.8.0-65.68.1~22.04.1 linux-image-lowlatency-64k-hwe-22.04 6.8.0-65.68.1~22.04.1 linux-image-lowlatency-hwe-22.04 6.8.0-65.68.1~22.04.1 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-7682-4 https://ubuntu.com/security/notices/USN-7682-3 https://ubuntu.com/security/notices/USN-7682-2 https://ubuntu.com/security/notices/USN-7682-1 CVE-2025-37797, CVE-2025-38083 Package Information: https://launchpad.net/ubuntu/+source/linux-lowlatency/6.8.0-65.68.1 https://launchpad.net/ubuntu/+source/linux-lowlatency-hwe-6.8/6.8.0-65.68.1~22.04.1
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