UBUNTU-CVE-2025-48509

See a problem?
Please try reporting it to the source first.

Source

https://ubuntu.com/security/CVE-2025-48509

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-48509.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-48509

Upstream

CVE-2025-48509

Published

2026-02-10T20:16:00Z

Modified

2026-05-20T16:23:31.242913104Z

Severity

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

Summary

[none]

Details

Missing Checks in certain functions related to RMP initialization can allow a local admin privileged attacker to cause misidentification of I/O memory, potentially resulting in a 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-2025-48509.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-2025-48509.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-2025-48509.json"