USN-3531-3

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Source
https://ubuntu.com/security/notices/USN-3531-3
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3531-3.json
JSON Data
https://api.osv.dev/v1/vulns/USN-3531-3
Upstream
Related
Published
2018-03-29T14:36:34.008104Z
Modified
2025-10-13T04:34:34Z
Summary
intel-microcode update
Details

Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. (CVE-2017-5715)

This update provides the corrected microcode updates required for the corresponding Linux kernel updates.

References

Affected packages

Ubuntu:14.04:LTS / intel-microcode

Package

Name
intel-microcode
Purl
pkg:deb/ubuntu/intel-microcode@3.20180312.0~ubuntu14.04.1?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.20180312.0~ubuntu14.04.1

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "intel-microcode",
            "binary_version": "3.20180312.0~ubuntu14.04.1"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:14.04:LTS",
    "cves": [
        {
            "id": "CVE-2017-5715",
            "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": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:16.04:LTS / intel-microcode

Package

Name
intel-microcode
Purl
pkg:deb/ubuntu/intel-microcode@3.20180312.0~ubuntu16.04.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.20180312.0~ubuntu16.04.1

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "intel-microcode",
            "binary_version": "3.20180312.0~ubuntu16.04.1"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2017-5715",
            "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": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}