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Ubuntu 25.04: AMD Microcode Important Information Disclosure USN-7848-1

ubuntu
Calendar Grey October 30, 2025
Dist Ubuntu Esm H88
Several security issues fixed in AMD Microcode for Ubuntu affecting local attacker exposure risk.
Several security issues were fixed in AMD Microcode.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.04 Summary: Several security issues were fixed in AMD Microcode. Software Description: - amd64-microcode: Platform firmware and microcode for AMD CPUs and SoCs Details: Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt discovered that some AMD processors may allow an attacker to infer data from previous stores. A local attacker could possibly use this issue to expose sensitive information. This update provides the updated microcode mitigations required for the corresponding Linux kernel update.

Topics%20covered

Topics Covered

security advisory Ubuntu important local attack information disclosure amd64-microcode

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 25.04 amd64-microcode 3.20250708.0ubuntu0.25.04.2 After a standard system update you need to reboot your computer to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-7848-1

CVE-2024-36350, CVE-2024-36357

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7848-1

Topics%20covered

Topics Covered

security advisory Ubuntu important local attack information disclosure amd64-microcode

Package Information

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