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Ubuntu 22.04 LTS: linux-gke Critical Kernel Security Flaws USN-7793-5

ubuntu
Calendar Grey October 8, 2025
Dist Ubuntu Esm H88
Several security issues fixed in Ubuntu's kernel affecting version 22.04 LTS for Google Container Engine systems.
Several security issues were fixed in the Linux kernel.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS Summary: Several security issues were fixed in the Linux kernel. Software Description: - linux-gke: Linux kernel for Google Container Engine (GKE) 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: - Packet sockets; - Network traffic control; - VMware vSockets driver; (CVE-2025-38477, CVE-2025-38617, CVE-2025-38618)

Topics%20covered

Topics Covered

security advisory network security critical package update Ubuntu linux-gke

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-gke 5.15.0-1090.96 linux-image-gke 5.15.0.1090.89 linux-image-gke-5.15 5.15.0.1090.89 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-7793-5

https://ubuntu.com/security/notices/USN-7793-4

https://ubuntu.com/security/notices/USN-7793-3

https://ubuntu.com/security/notices/USN-7793-2

https://ubuntu.com/security/notices/USN-7793-1

CVE-2025-38477, CVE-2025-38617, CVE-2025-38618

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7793-5

Topics%20covered

Topics Covered

security advisory network security critical package update Ubuntu linux-gke

Package Information

https://launchpad.net/ubuntu/+source/linux-gke/5.15.0-1090.96

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