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Ubuntu 22.04 LTS USN-7420-1: Critical Kernel Security Update

ubuntu
Calendar Grey April 7, 2025
Dist Ubuntu Esm H88
The Ubuntu Security Advisory USN-7420-1 tackles vulnerabilities within the Azure Linux kernel, bolstering system security.
Several security issues were fixed in the Linux kernel.

Summary

Several security issues were fixed in the Linux kernel.

Software Description:

- linux-azure: Linux kernel for Microsoft Azure Cloud systems

- 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;

- Microsoft Azure Network Adapter (MANA) driver;

- SMB network file system;

- Network namespace;

- Networking core;

(CVE-2024-35864, CVE-2024-56658, CVE-2024-57798, CVE-2024-42069,

CVE-2024-26928)

Topics%20covered

Topics Covered

security advisory network security ubuntu linux update cloud security linux kernel

Update Instructions

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

Ubuntu 22.04 LTS
   linux-image-5.15.0-1086-azure   5.15.0-1086.95
   linux-image-5.15.0-1086-azure-fde  5.15.0-1086.95.1
   linux-image-azure-fde-lts-22.04  5.15.0.1086.95.63
   linux-image-azure-lts-22.04     5.15.0.1086.84

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-7420-1

CVE-2024-26928, CVE-2024-35864, CVE-2024-42069, CVE-2024-56658,

CVE-2024-57798

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7420-1

Topics%20covered

Topics Covered

security advisory network security ubuntu linux update cloud security linux kernel

Package Information

https://launchpad.net/ubuntu/+source/linux-azure/5.15.0-1086.95
https://launchpad.net/ubuntu/+source/linux-azure-fde/5.15.0-1086.95.1

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