========================================================================== Ubuntu Security Notice USN-8291-3 May 25, 2026
linux-lowlatency vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS Summary: Several security issues were fixed in the Linux kernel. Software Description: - linux-lowlatency: 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: - SMB network file system; - Netfilter; - io_uring subsystem; (CVE-2024-35862, CVE-2024-50060, CVE-2026-23274, CVE-2026-23351) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS linux-image-5.15.0-178-lowlatency 5.15.0-178.188 linux-image-5.15.0-178-lowlatency-64k 5.15.0-178.188 linux-image-lowlatency 5.15.0.178.150 linux-image-lowlatency-5.15 5.15.0.178.150 linux-image-lowlatency-64k 5.15.0.178.150 linux-image-lowlatency-64k-5.15 5.15.0.178.150 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-8291-3 https://ubuntu.com/security/notices/USN-8291-2 https://ubuntu.com/security/notices/USN-8291-1 CVE-2024-35862, CVE-2024-50060, CVE-2026-23274, CVE-2026-23351 Package Information: https://launchpad.net/ubuntu/+source/linux-lowlatency/5.15.0-178.188
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