USN-5535-1

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Source
https://ubuntu.com/security/notices/USN-5535-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5535-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5535-1
Upstream
Related
Published
2022-07-28T05:31:23.158165Z
Modified
2025-10-13T04:36:01Z
Summary
Intel Microcode vulnerabilities
Details

Joseph Nuzman discovered that some Intel processors did not properly initialise shared resources. A local attacker could use this to obtain sensitive information. (CVE-2021-0145)

Mark Ermolov, Dmitry Sklyarov and Maxim Goryachy discovered that some Intel processors did not prevent test and debug logic from being activated at runtime. A local attacker could use this to escalate privileges. (CVE-2021-0146)

It was discovered that some Intel processors did not implement sufficient control flow management. A local attacker could use this to cause a denial of service (system crash). (CVE-2021-0127)

It was discovered that some Intel processors did not completely perform cleanup actions on multi-core shared buffers. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21123, CVE-2022-21127)

It was discovered that some Intel processors did not completely perform cleanup actions on microarchitectural fill buffers. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21125)

Alysa Milburn, Jason Brandt, Avishai Redelman and Nir Lavi discovered that some Intel processors improperly optimised security-critical code. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21151)

It was discovered that some Intel processors did not properly perform cleanup during specific special register write operations. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21166)

It was discovered that some Intel processors did not properly restrict access in some situations. A local attacker could use this to obtain sensitive information. (CVE-2021-33117)

Brandon Miller discovered that some Intel processors did not properly restrict access in some situations. A local attacker could use this to obtain sensitive information or a remote attacker could use this to cause a denial of service (system crash). (CVE-2021-33120)

References

Affected packages

Ubuntu:Pro:16.04:LTS / intel-microcode

Package

Name
intel-microcode
Purl
pkg:deb/ubuntu/intel-microcode@3.20220510.0ubuntu0.16.04.1+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.20220510.0ubuntu0.16.04.1+esm1

Affected versions

3.*

3.20150121.1
3.20151106.1
3.20170707.1~ubuntu16.04.0
3.20180108.0~ubuntu16.04.2
3.20180108.0+really20170707ubuntu16.04.1
3.20180312.0~ubuntu16.04.1
3.20180425.1~ubuntu0.16.04.1
3.20180425.1~ubuntu0.16.04.2
3.20180807a.0ubuntu0.16.04.1
3.20190514.0ubuntu0.16.04.1
3.20190514.0ubuntu0.16.04.2
3.20190618.0ubuntu0.16.04.1
3.20191112-0ubuntu0.16.04.2
3.20191115.1ubuntu0.16.04.1
3.20191115.1ubuntu0.16.04.2
3.20200609.0ubuntu0.16.04.0
3.20200609.0ubuntu0.16.04.1
3.20201110.0ubuntu0.16.04.1
3.20201110.0ubuntu0.16.04.2
3.20210216.0ubuntu0.16.04.1
3.20210608.0ubuntu0.16.04.1+esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "intel-microcode",
            "binary_version": "3.20220510.0ubuntu0.16.04.1+esm1"
        }
    ]
}

Database specific 

{
    "cves_map": {
        "cves": [
            {
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H"
                    },
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                    },
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ],
                "id": "CVE-2021-0127"
            },
            {
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ],
                "id": "CVE-2021-0145"
            },
            {
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                    },
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ],
                "id": "CVE-2021-0146"
            },
            {
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ],
                "id": "CVE-2021-33117"
            },
            {
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L"
                    },
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ],
                "id": "CVE-2021-33120"
            },
            {
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ],
                "id": "CVE-2022-21123"
            },
            {
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ],
                "id": "CVE-2022-21125"
            },
            {
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ],
                "id": "CVE-2022-21127"
            },
            {
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ],
                "id": "CVE-2022-21151"
            },
            {
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ],
                "id": "CVE-2022-21166"
            }
        ],
        "ecosystem": "Ubuntu:Pro:16.04:LTS"
    }
}