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Ubuntu 24.04 LTS USN-7596-1 critical: linux-azure kernel issues

ubuntu
Calendar Grey June 24, 2025
Dist Ubuntu Esm H88
Multiple vulnerabilities resolved in the Ubuntu Linux kernel optimized for Azure; security updates suggested for improved safety.
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-6.8: Linux kernel for Microsoft Azure 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:

- GPIO subsystem;

- GPU drivers;

- InfiniBand drivers;

- IRQ chip drivers;

- Network drivers;

- Mellanox network drivers;

- i.MX PM domains;

- SCSI subsystem;

- USB Serial drivers;

- AFS file system;

- GFS2 file system;

- File systems infrastructure;

- File system notification infrastructure;

- Overlay file system;

- Proc file system;

- SMB network file system;

- Timer subsystem;

- Kernel CPU control infrastructure;

- Memory management;

- Networking core;

- DCCP (Datagram Congestion Control Protoco...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory critical remote access kernel ubuntu linux-azure

Update Instructions

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

Ubuntu 24.04 LTS
   linux-image-6.8.0-1030-azure    6.8.0-1030.35
   linux-image-6.8.0-1030-azure-fde  6.8.0-1030.35
   linux-image-azure-fde-lts-24.04  6.8.0-1030.35
   linux-image-azure-lts-24.04     6.8.0-1030.35

Ubuntu 22.04 LTS
   linux-image-6.8.0-1030-azure    6.8.0-1030.35~22.04.1
   linux-image-6.8.0-1030-azure-fde  6.8.0-1030.35~22.04.1
   linux-image-azure               6.8.0-1030.35~22.04.1
   linux-image-azure-fde           6.8.0-1030.35~22.04.1

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-7596-1

CVE-2024-50157, CVE-2024-53124, CVE-2024-57924, CVE-2024-57948,

CVE-2024-57949, CVE-2024-57951, CVE-2024-57952, CVE-2025-21665,

CVE-2025-21666, CVE-2025-21667, CVE-2025-21668, CVE-2025-21669,

CVE-2025-21670, CVE-2025-21672, CVE-2025-21673, CVE-2025-21674,

CVE-2025-21675, CVE-2025-21676, CVE-2025-21678, CVE-2025-21680,

CVE-2025-21681, CVE-2025-21682, CVE-2025-21683, CVE-2025-21684,

CVE-2025-21689, CVE-2025-21690, CVE-2025-21691, CVE-2025-21692,

CVE-2025-21694, CVE-2025-21697, CVE-2025-21699, CVE-2025-21943

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7596-1

Topics%20covered

Topics Covered

security advisory critical remote access kernel ubuntu linux-azure

Package Information

https://launchpad.net/ubuntu/+source/linux-azure/6.8.0-1030.35
https://launchpad.net/ubuntu/+source/linux-azure-6.8/6.8.0-1030.35~22.04.1

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