========================================================================== Ubuntu Security Notice USN-7327-1 March 05, 2025
linux, linux-lowlatency, linux-lowlatency-hwe-5.15 vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: A security issue was fixed in Linux kernel. Software Description: - linux: Linux kernel - linux-lowlatency: Linux low latency kernel - linux-lowlatency-hwe-5.15: Linux low latency kernel Details: A security issues was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystems: - Block layer subsystem; (CVE-2024-56672) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS linux-image-5.15.0-134-generic 5.15.0-134.145 linux-image-5.15.0-134-generic-64k 5.15.0-134.145 linux-image-5.15.0-134-generic-lpae 5.15.0-134.145 linux-image-5.15.0-134-lowlatency 5.15.0-134.145 linux-image-5.15.0-134-lowlatency-64k 5.15.0-134.145 linux-image-generic 5.15.0.134.133 linux-image-generic-64k 5.15.0.134.133 linux-image-generic-lpae 5.15.0.134.133 linux-image-lowlatency 5.15.0.134.121 linux-image-lowlatency-64k 5.15.0.134.121 linux-image-virtual 5.15.0.134.133 Ubuntu 20.04 LTS linux-image-5.15.0-134-lowlatency 5.15.0-134.145~20.04.1 linux-image-5.15.0-134-lowlatency-64k 5.15.0-134.145~20.04.1 linux-image-lowlatency-64k-hwe-20.04 5.15.0.134.145~20.04.1 linux-image-lowlatency-hwe-20.04 5.15.0.134.145~20.04.1 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-7327-1 CVE-2024-56672 Package Information: https://launchpad.net/ubuntu/+source/linux/5.15.0-134.145 https://launchpad.net/ubuntu/+source/linux-lowlatency/5.15.0-134.145 https://launchpad.net/ubuntu/+source/linux-lowlatency-hwe-5.15/5.15.0-134.145~20.04.1
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