UBUNTU-CVE-2025-54506

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Source

https://ubuntu.com/security/CVE-2025-54506

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-54506.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-54506

Upstream

CVE-2025-54506

Published

2026-11-10T00:00:00Z

Modified

2026-11-13T21:03:20Z

Severity

4.0 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

A time-of-check to time-of-use (TOCTOU) race condition in 4.0 the AMD SEV Secure Encrypted Virtualiz…

References

Affected packages

Ubuntu:24.04:LTS / amd64-microcode

Package

Name: amd64-microcode
Purl: pkg:deb/ubuntu/amd64-microcode?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.20230808.1.1ubuntu1

3.20231019.1ubuntu1

3.20231019.1ubuntu2

3.20231019.1ubuntu2.1

3.20250311.1ubuntu0.24.04.1

3.20251202.1ubuntu0.24.04.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20251202.1ubuntu0.24.04.1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-54506.json"

Ubuntu:26.10 / amd64-microcode

Package

Name: amd64-microcode
Purl: pkg:deb/ubuntu/amd64-microcode?arch=source&distro=stonking

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.20251202.1ubuntu2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20251202.1ubuntu2"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-54506.json"

Ubuntu:26.04:LTS / amd64-microcode

Package

Name: amd64-microcode
Purl: pkg:deb/ubuntu/amd64-microcode?arch=source&distro=resolute

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.20250708.1ubuntu1

3.20250708.1ubuntu2

3.20251202.1ubuntu1

3.20251202.1ubuntu2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20251202.1ubuntu2"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-54506.json"