USN-7535-1: intel-microcode Ubuntu

Published
Published 27-05-2025Last modified 03-11-2026

Vulnerability summary

USN-7535-1 is a vulnerability in intel-microcode Ubuntu with no CVSS score yet.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS scoreNot scoredRisk metrics not yet published.
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 8 · Downstream 0 · Related 8
CVE-2024-28956CVE-2024-43420CVE-2024-45332CVE-2025-20012CVE-2025-20054CVE-2025-20103

Timeline

  1. 27-05-2025
    PublishedVulnerability first disclosed.
  2. 03-11-2026
    Last modifiedVulnerability information updated.

Description

intel-microcode vulnerabilities Sander Wiebing and Cristiano Giuffrida discovered that some Intel® Processors did not properly handle data in Shared Microarchitectural Structures during Transient Execution. An authenticated attacker could possibly use this issue to obtain sensitive information. (CVE-2024-28956) It was discovered that some Intel® Processors did not properly handle prediction calculations. An authenticated attacker could possibly use this issue to obtain sensitive information. (CVE-2024-43420, CVE-2024-45332, CVE-2025-20623) It was discovered that some Intel® Processors did not properly initialize resources in the branch prediction unit. An authenticated attacker could possibly use this issue to obtain sensitive information. (CVE-2025-20012, CVE-2025-24495) Michal Raviv and Jeff Gilbert discovered that some Intel® Processors did not properly handle resources and exceptions in the core management mechanism. An authenticated attacker could possibly use this issue to cause a denial of service. (CVE-2025-20054, CVE-2025-20103)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Ubuntu1 product
  • intel-microcode< 3.20250512.0ubuntu0.16.04.1+esm1 | < 3.20250512.0ubuntu0.18.04.1+esm1 | < 3.20250512.0ubuntu0.20.04.1 | < 3.20250512.0ubuntu0.22.04.1 | < 3.20250512.0ubuntu0.24.04.1

1 vendor · 1 product

References

9 links