Ubuntu 20.04 LTS Security Advisory USN-6951-4: Linux Kernel Update
ubuntu
August 21, 2024
Several security issues were fixed in the Linux kernel.
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS Summary: Several security issues were fixed in the Linux kernel. Software Description: - linux-bluefield: Linux kernel for NVIDIA BlueField platforms 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: - ARM64 architecture; - M68K architecture; - User-Mode Linux (UML); - x86 architecture; - Accessibility subsystem; - Character device driver; - Clock framework and drivers; - CPU frequency scaling framework; - Hardware crypto device drivers; - Buffer Sharing and Synchronization framework; - FireWire subsystem; - GPU drivers; - HW tracing; - Macintosh device drivers; - Multiple devices driver; - Media drivers; - Network drivers; - Pin controllers subsystem; - S/390 ...
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Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS linux-image-5.4.0-1090-bluefield 5.4.0-1090.97 linux-image-bluefield 5.4.0.1090.86 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-6951-4
https://ubuntu.com/security/notices/USN-6951-3
https://ubuntu.com/security/notices/USN-6951-2
https://ubuntu.com/security/notices/USN-6951-1
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Severity
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Ubuntu Security Notice USN-6951-4
Package Information
https://launchpad.net/ubuntu/+source/linux-bluefield/5.4.0-1090.97
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