USN-4628-2

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Source
https://ubuntu.com/security/notices/USN-4628-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4628-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4628-2
Related
Published
2020-11-12T01:14:30.595256Z
Modified
2025-10-13T04:35:17Z
Summary
intel-microcode regression
Details

USN-4628-1 provided updated Intel Processor Microcode. Unfortunately, that update prevented certain processors in the Intel Tiger Lake family from booting successfully. This update reverts the microcode update for the Tiger Lake processor family.

Please note that the 'disucodeldr' kernel command line option can be added in the boot menu to disable microcode loading for system recovery.

We apologize for the inconvenience.

Original advisory details:

Moritz Lipp, Michael Schwarz, Andreas Kogler, David Oswald, Catherine Easdon, Claudio Canella, and Daniel Gruss discovered that the Intel Running Average Power Limit (RAPL) feature of some Intel processors allowed a side- channel attack based on power consumption measurements. A local attacker could possibly use this to expose sensitive information. (CVE-2020-8695)

Ezra Caltum, Joseph Nuzman, Nir Shildan and Ofir Joseff discovered that some Intel(R) Processors did not properly remove sensitive information before storage or transfer in some situations. A local attacker could possibly use this to expose sensitive information. (CVE-2020-8696)

Ezra Caltum, Joseph Nuzman, Nir Shildan and Ofir Joseff discovered that some Intel(R) Processors did not properly isolate shared resources in some situations. A local attacker could possibly use this to expose sensitive information. (CVE-2020-8698)

References

Affected packages

Ubuntu:Pro:14.04:LTS / intel-microcode

Package

Name
intel-microcode
Purl
pkg:deb/ubuntu/intel-microcode@3.20201110.0ubuntu0.14.04.2?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.20201110.0ubuntu0.14.04.2

Affected versions

1.*

1.20130906.1ubuntu2
1.20130906.1ubuntu3

2.*

2.20140122.1
2.20140430.1ubuntu1
2.20140624-t-1ubuntu2

3.*

3.20180108.0~ubuntu14.04.2
3.20180108.0+really20170707ubuntu14.04.1
3.20180312.0~ubuntu14.04.1
3.20180425.1~ubuntu0.14.04.1
3.20180425.1~ubuntu0.14.04.2
3.20180807a.0ubuntu0.14.04.1
3.20190514.0ubuntu0.14.04.1
3.20190514.0ubuntu0.14.04.2
3.20190618.0ubuntu0.14.04.1
3.20191112-0ubuntu0.14.04.2
3.20191115.1ubuntu0.14.04.1
3.20191115.1ubuntu0.14.04.2
3.20200609.0ubuntu0.14.04.0
3.20200609.0ubuntu0.14.04.1
3.20201110.0ubuntu0.14.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.20201110.0ubuntu0.14.04.2",
            "binary_name": "intel-microcode"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:14.04:LTS",
    "cves": []
}

Ubuntu:16.04:LTS / intel-microcode

Package

Name
intel-microcode
Purl
pkg:deb/ubuntu/intel-microcode@3.20201110.0ubuntu0.16.04.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.20201110.0ubuntu0.16.04.2

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.20201110.0ubuntu0.16.04.2",
            "binary_name": "intel-microcode"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": []
}

Ubuntu:18.04:LTS / intel-microcode

Package

Name
intel-microcode
Purl
pkg:deb/ubuntu/intel-microcode@3.20201110.0ubuntu0.18.04.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.20201110.0ubuntu0.18.04.2

Affected versions

3.*

3.20170707.1
3.20171117.1
3.20180108.1
3.20180108.1+really20171117.1
3.20180312.0~ubuntu18.04.1
3.20180425.1~ubuntu0.18.04.1
3.20180425.1~ubuntu0.18.04.2
3.20180807a.0ubuntu0.18.04.1
3.20190514.0ubuntu0.18.04.2
3.20190514.0ubuntu0.18.04.3
3.20190618.0ubuntu0.18.04.1
3.20191112-0ubuntu0.18.04.2
3.20191115.1ubuntu0.18.04.1
3.20191115.1ubuntu0.18.04.2
3.20200609.0ubuntu0.18.04.0
3.20200609.0ubuntu0.18.04.1
3.20201110.0ubuntu0.18.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.20201110.0ubuntu0.18.04.2",
            "binary_name": "intel-microcode"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": []
}

Ubuntu:20.04:LTS / intel-microcode

Package

Name
intel-microcode
Purl
pkg:deb/ubuntu/intel-microcode@3.20201110.0ubuntu0.20.04.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.20201110.0ubuntu0.20.04.2

Affected versions

3.*

3.20190918.1ubuntu1
3.20191115.1ubuntu1
3.20191115.1ubuntu2
3.20191115.1ubuntu3
3.20200609.0ubuntu0.20.04.0
3.20200609.0ubuntu0.20.04.1
3.20200609.0ubuntu0.20.04.2
3.20201110.0ubuntu0.20.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.20201110.0ubuntu0.20.04.2",
            "binary_name": "intel-microcode"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": []
}