USN-7561-1

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Source
https://ubuntu.com/security/notices/USN-7561-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7561-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7561-1
Upstream
Related
Published
2025-06-09T13:38:02.163549Z
Modified
2025-07-16T08:35:03.248548Z
Summary
amd64-microcode vulnerabilities
Details

It was discovered that AMD Microcode incorrectly handled memory addresses. An attacker with local administrator privilege could possibly use this issue to cause loss of integrity of a confidential guest running under AMD SEV-SNP. (CVE-2023-20584, CVE-2023-31356)

Josh Eads, Kristoffer Janke, Eduardo Nava, Tavis Ormandy and Matteo Rizzo discovered that AMD Microcode incorrectly verified signatures. An attacker with local administrator privilege could possibly use this issue to cause loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP. (CVE-2024-56161)

References

Affected packages

Ubuntu:24.04:LTS / amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/ubuntu/amd64-microcode@3.20250311.1ubuntu0.24.04.1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.20250311.1ubuntu0.24.04.1

Affected versions

3.*

3.20230808.1.1ubuntu1
3.20231019.1ubuntu1
3.20231019.1ubuntu2
3.20231019.1ubuntu2.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20250311.1ubuntu0.24.04.1"
        }
    ],
    "availability": "No subscription required"
}