USN-6244-1

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Source
https://ubuntu.com/security/notices/USN-6244-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6244-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-6244-1
Upstream
Related
Published
2023-07-25T13:33:55.581241Z
Modified
2025-10-13T04:36:29Z
Summary
amd64-microcode vulnerability
Details

Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information.

References

Affected packages

Ubuntu:Pro:16.04:LTS / amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/ubuntu/amd64-microcode@3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm1

Affected versions

2.*

2.20141028.1
2.20160316.1

3.*

3.20180524.1~ubuntu0.16.04.1
3.20180524.1~ubuntu0.16.04.2
3.20191021.1ubuntu0.16.04.1
3.20191021.1+really3.20180524.1~ubuntu0.16.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm1",
            "binary_name": "amd64-microcode"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-20593",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:Pro:18.04:LTS / amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/ubuntu/amd64-microcode@3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm1?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm1

Affected versions

3.*

3.20160316.3
3.20171205.1
3.20180524.1~ubuntu0.18.04.1
3.20180524.1~ubuntu0.18.04.2
3.20191021.1ubuntu0.18.04.2
3.20191021.1+really3.20181128.1~ubuntu0.18.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm1",
            "binary_name": "amd64-microcode"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-20593",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:20.04:LTS / amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/ubuntu/amd64-microcode@3.20191218.1ubuntu1.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.20191218.1ubuntu1.1

Affected versions

3.*

3.20181128.1ubuntu2
3.20191021.1ubuntu1
3.20191218.1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.20191218.1ubuntu1.1",
            "binary_name": "amd64-microcode"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-20593",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:22.04:LTS / amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/ubuntu/amd64-microcode@3.20191218.1ubuntu2.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.20191218.1ubuntu2.1

Affected versions

3.*

3.20191218.1ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.20191218.1ubuntu2.1",
            "binary_name": "amd64-microcode"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2023-20593",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}