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Ubuntu 23.10 & 22.04 LTS USN-6872-2: Kernel Security Updates

ubuntu
Calendar Grey July 4, 2024
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-6874-3 addresses vulnerabilities in the kernel impacting various Ubuntu releases.
Several security issues were fixed in the Linux kernel.

Summary

Several security issues were fixed in the Linux kernel.

Software Description:

- linux-lowlatency: Linux low latency kernel

- linux-lowlatency-hwe-6.5: 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 subsystem:

- Netfilter;

(CVE-2024-26809, CVE-2024-26643, CVE-2024-26925, CVE-2024-26924)

Topics%20covered

Topics Covered

security advisory system update ubuntu linux-lowlatency low latency kernel

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 23.10
   linux-image-6.5.0-42-lowlatency  6.5.0-42.42.1
   linux-image-6.5.0-42-lowlatency-64k  6.5.0-42.42.1
   linux-image-lowlatency          6.5.0.42.42.1
   linux-image-lowlatency-64k      6.5.0.42.42.1

Ubuntu 22.04 LTS
   linux-image-6.5.0-42-lowlatency  6.5.0-42.42.1~22.04.1
   linux-image-6.5.0-42-lowlatency-64k  6.5.0-42.42.1~22.04.1
   linux-image-lowlatency-64k-hwe-22.04  6.5.0.42.42.1~22.04.1
   linux-image-lowlatency-hwe-22.04  6.5.0.42.42.1~22.04.1

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-6872-2

https://ubuntu.com/security/notices/USN-6872-1

CVE-2024-26643, CVE-2024-26809, CVE-2024-26924, CVE-2024-26925

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6872-2

Topics%20covered

Topics Covered

security advisory system update ubuntu linux-lowlatency low latency kernel

Package Information

https://launchpad.net/ubuntu/+source/linux-lowlatency/6.5.0-42.42.1
https://launchpad.net/ubuntu/+source/linux-lowlatency-hwe-6.5/6.5.0-42.42.1~22.04.1

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