USN-4628-3
- Source
- https://ubuntu.com/security/notices/USN-4628-3
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4628-3.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/USN-4628-3
- Upstream
- Related
- Published
- 2021-05-17T09:50:39.512025Z
- Modified
- 2025-10-13T04:35:17Z
- Summary
- intel-microcode vulnerabilities
- Details
-
USN-4628-1 provided updated Intel Processor Microcode for various processor types. This update provides the corresponding updates for some additional processor types.
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:18.04:LTS / intel-microcode
Package
- Name
- intel-microcode
- Purl
- pkg:deb/ubuntu/intel-microcode@3.20210216.0ubuntu0.18.04.1?arch=source&distro=bionic
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed3.20210216.0ubuntu0.18.04.1
Affected versions
3.*
Ecosystem specific
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "3.20210216.0ubuntu0.18.04.1",
"binary_name": "intel-microcode"
}
]
}
Database specific
{
"cves_map": {
"ecosystem": "Ubuntu:18.04:LTS",
"cves": [
{
"id": "CVE-2020-8695",
"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": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-8696",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/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": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-8698",
"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": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
]
}
}
Ubuntu:20.04:LTS / intel-microcode
Package
- Name
- intel-microcode
- Purl
- pkg:deb/ubuntu/intel-microcode@3.20210216.0ubuntu0.20.04.1?arch=source&distro=focal
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed3.20210216.0ubuntu0.20.04.1
Affected versions
3.*
Ecosystem specific
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "3.20210216.0ubuntu0.20.04.1",
"binary_name": "intel-microcode"
}
]
}
Database specific
{
"cves_map": {
"ecosystem": "Ubuntu:20.04:LTS",
"cves": [
{
"id": "CVE-2020-8695",
"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": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-8696",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/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": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-8698",
"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": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
]
}
}