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Ubuntu 22.04 LTS: USN-7550-4 critical: Linux kernel Azure CVM issues

ubuntu
Calendar Grey June 4, 2025
Dist Ubuntu Esm H88
Patches addressing various vulnerabilities in the Ubuntu 22.04 LTS kernel specific to Azure Cloud Virtual Machine instances.
Several security issues were fixed in the Linux kernel.

Summary

Several security issues were fixed in the Linux kernel.

Software Description:

- linux-azure-fde: Linux kernel for Microsoft Azure CVM cloud systems

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:

- GPU drivers;

- Sun RPC protocol;

(CVE-2024-53168, CVE-2024-56551, CVE-2024-56608)

Topics%20covered

Topics Covered

security advisory kernel system update ubuntu linux-azure-fde gpu drivers

Update Instructions

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

Ubuntu 22.04 LTS
  linux-image-5.15.0-1090-azure-fde  5.15.0-1090.99.1
  linux-image-azure-fde-lts-22.04  5.15.0.1090.99.67

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-7550-4

https://ubuntu.com/security/notices/USN-7550-3

https://ubuntu.com/security/notices/USN-7550-2

https://ubuntu.com/security/notices/USN-7550-1

CVE-2024-53168, CVE-2024-56551, CVE-2024-56608

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7550-4

Topics%20covered

Topics Covered

security advisory kernel system update ubuntu linux-azure-fde gpu drivers

Package Information

https://launchpad.net/ubuntu/+source/linux-azure-fde/5.15.0-1090.99.1

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