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Ubuntu 24.04 LTS: USN-6864-2 Critical: Linux Kernel Denial Of Service

ubuntu
Calendar Grey July 4, 2024
Dist Ubuntu Esm H88
Patches resolve various kernel vulnerabilities in Ubuntu 24.04 LTS, boosting overall system robustness and safety.
Several security issues were fixed in the Linux kernel.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS Summary: Several security issues were fixed in the Linux kernel. Software Description: - linux-aws: Linux kernel for Amazon Web Services (AWS) systems - linux-oem-6.8: Linux kernel for OEM systems Details: It was discovered that the Intel Data Streaming and Intel Analytics Accelerator drivers in the Linux kernel allowed direct access to the devices for unprivileged users and virtual machines. A local attacker could use this to cause a denial of service. (CVE-2024-21823) A security issue was discovered in the Linux kernel. An attacker could possibly use it to compromise the system. This update corrects flaws in the following subsystem: - Netfilter; (CVE-2024-26924)

Topics%20covered

Topics Covered

security advisory denial of service system update ubuntu linux kernel linux-aws linux-oem-6.8

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS linux-image-6.8.0-1007-oem 6.8.0-1007.7 linux-image-6.8.0-1010-aws 6.8.0-1010.10 linux-image-aws 6.8.0-1010.10 linux-image-oem-24.04 6.8.0-1007.7 linux-image-oem-24.04a 6.8.0-1007.7 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-6864-2

https://ubuntu.com/security/notices/USN-6864-1

CVE-2024-21823, CVE-2024-26924

Severity
critical
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Critical

Ubuntu Security Notice USN-6864-2

Topics%20covered

Topics Covered

security advisory denial of service system update ubuntu linux kernel linux-aws linux-oem-6.8

Package Information

https://launchpad.net/ubuntu/+source/linux-aws/6.8.0-1010.10 https://launchpad.net/ubuntu/+source/linux-oem-6.8/6.8.0-1007.7

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