🛡️ USN-8475-1 — amd64-microcode

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

amd64-microcode vulnerabilities

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, potentially resulting in the leakage of

privileged information. A local attacker could possibly use this to expose

sensitive information. (CVE-2024-36350, CVE-2024-36357)

It was discovered that some AMD Zen 5 processors supporting RDSEED

instruction did not properly handle entropy, potentially resulting in the

consumption of insufficiently random values. A local attacker could

possibly use this issue to influence the values returned by the RDSEED

instruction causing loss of confidentiality and integrity. (CVE-2025-62626)

Affected software

USN-8475-1 is recorded against 1 package.

  • amd64-microcode (fixed in 3.20251202.1ubuntu0.25.10.1)

Timeline and source

Published on 25 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

ubuntu.com (Advisory)
ubuntu.com (Report)
ubuntu.com (Report)
ubuntu.com (Report)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-06-25
Updated 2026-08-12
Modified 2026-06-25
Fix URL N/A

Affected Packages

Software From version Fixed in
amd64-microcode — 3.20251202.1ubuntu0.25.10.1

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