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Ubuntu 24.04: USN-7808-1 Critical Kernel Issues for Azure Systems

ubuntu
Calendar Grey October 8, 2025
Dist Ubuntu Esm H88
Multiple security flaws were resolved in the Ubuntu Azure kernel in a critical update, addressing major security concerns.
Several security issues were fixed in the Linux kernel.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS Summary: Several security issues were fixed in the Linux kernel. Software Description: - linux-azure: 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: - Network drivers; - Ext4 file system; - SMB network file system; - Packet sockets; - Network traffic control; - TLS protocol; - VMware vSockets driver; - XFRM subsystem; (CVE-2025-38617, CVE-2025-37785, CVE-2025-38244, CVE-2025-37756, CVE-2025-38618, CVE-2025-38477, CVE-2025-38683, CVE-2025-38500)

Topics%20covered

Topics Covered

security advisory critical Ubuntu kernel attack linux-azure

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS linux-image-6.8.0-1040-azure 6.8.0-1040.46 linux-image-6.8.0-1040-azure-fde 6.8.0-1040.46 linux-image-azure-6.8 6.8.0-1040.46 linux-image-azure-fde-6.8 6.8.0-1040.46 linux-image-azure-fde-lts-24.04 6.8.0-1040.46 linux-image-azure-lts-24.04 6.8.0-1040.46 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-7808-1

CVE-2025-37756, CVE-2025-37785, CVE-2025-38244, CVE-2025-38477,

CVE-2025-38500, CVE-2025-38617, CVE-2025-38618, CVE-2025-38683

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7808-1

Topics%20covered

Topics Covered

security advisory critical Ubuntu kernel attack linux-azure

Package Information

https://launchpad.net/ubuntu/+source/linux-azure/6.8.0-1040.46

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