USN-7609-5: Linux kernel (Azure) vulnerabilities

USN-7609-5: Linux kernel (Azure) vulnerabilities
Publication date:17 July 2025
Overview:Several security issues were fixed in the Linux kernel.

Packages

• linux-azure-6.8 - Linux kernel for Microsoft Azure cloud systems
• linux-azure-nvidia - Linux kernel for Microsoft Azure Cloud systems, N-Series

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:

• InfiniBand drivers;
• Netfilter;
• Network traffic control

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

24.04 noble:

• linux-image-6.8.0-1019-azure-nvidia – 6.8.0-1019.20
• linux-image-azure-nvidia – 6.8.0-1019.20
• linux-image-azure-nvidia-6.8 – 6.8.0-1019.20

22.04 jammy:

• linux-image-6.8.0-1031-azure – 6.8.0-1031.36~22.04.1
• linux-image-6.8.0-1031-azure-fde – 6.8.0-1031.36~22.04.1
• linux-image-azure – 6.8.0-1031.36~22.04.1
• linux-image-azure-6.8 – 6.8.0-1031.36~22.04.1
• linux-image-azure-fde – 6.8.0-1031.36~22.04.1
• linux-image-azure-fde-6.8 – 6.8.0-1031.36~22.04.1