UBUNTU-CVE-2025-29952

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Source

https://ubuntu.com/security/CVE-2025-29952

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-29952.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-29952

Upstream

CVE-2025-29952

Published

2026-02-10T20:16:00Z

Modified

2026-05-20T16:21:02.550260262Z

Severity

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

Summary

[none]

Details

Improper Initialization within the AMD Secure Encrypted Virtualization (SEV) firmware can allow an admin privileged attacker to corrupt RMP covered memory, potentially resulting in loss of guest memory integrity

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

0Unknown 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

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20250311.1ubuntu0.24.04.1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-29952.json"

Ubuntu:25.10 / amd64-microcode

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.20240820.1ubuntu1

3.20250311.1ubuntu1

3.20250708.1ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20250708.1ubuntu1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-29952.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

0Unknown 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-2025-29952.json"