USN-7848-1

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. A local attacker could possibly use this issue to expose sensitive information. This update provides the updated microcode mitigations required for the corresponding Linux kernel update.

References

Affected packages

Ubuntu:25.04 / amd64-microcode

Package

Name: amd64-microcode
Purl: pkg:deb/ubuntu/amd64-microcode@3.20250708.0ubuntu0.25.04.2?arch=source&distro=plucky

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.20250708.0ubuntu0.25.04.2

Affected versions

3.*

3.20240116.2+nmu1ubuntu1

3.20240116.2+nmu1ubuntu1.1

3.20240820.1ubuntu1

3.20250311.1ubuntu0.25.04.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20250708.0ubuntu0.25.04.2"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2024-36350",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2024-36357",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:25.04"
}