USN-7561-1: amd64-microcode Ubuntu

CVSS: UnknownPublished
Published 09-06-2025Last modified 10-02-2026
Open JSON

Vulnerability summary

USN-7561-1 is a vulnerability in amd64-microcode Ubuntu with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 3 · Downstream 0 · Related 3
CVE-2023-20584CVE-2023-31356CVE-2024-56161

Timeline

  1. 09-06-2025
    PublishedVulnerability first disclosed.
  2. 10-02-2026
    Last modifiedVulnerability information updated.

Description

amd64-microcode vulnerabilities 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)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu1 product
  • amd64-microcode< 3.20250311.1ubuntu0.24.04.1

1 vendor · 1 product

References

4 links