USN-4096-1

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Source
https://ubuntu.com/security/notices/USN-4096-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4096-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4096-1
Upstream
Related
Published
2019-08-13T16:24:56.374057Z
Modified
2025-10-13T04:34:54Z
Summary
linux-aws, linux-aws-hwe vulnerability
Details

Andrei Vlad Lutas and Dan Lutas discovered that some x86 processors incorrectly handle SWAPGS instructions during speculative execution. A local attacker could use this to expose sensitive information (kernel memory).

References

Affected packages

Ubuntu:16.04:LTS / linux-aws-hwe

Package

Name
linux-aws-hwe
Purl
pkg:deb/ubuntu/linux-aws-hwe@4.15.0-1045.47~16.04.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.15.0-1045.47~16.04.1

Affected versions

4.*

4.15.0-1030.31~16.04.1
4.15.0-1031.33~16.04.1
4.15.0-1032.34~16.04.1
4.15.0-1033.35~16.04.1
4.15.0-1035.37~16.04.1
4.15.0-1036.38~16.04.1
4.15.0-1039.41~16.04.1
4.15.0-1040.42~16.04.1
4.15.0-1041.43~16.04.1
4.15.0-1043.45~16.04.1
4.15.0-1044.46~16.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.15.0-1045.47~16.04.1",
            "binary_name": "linux-aws-headers-4.15.0-1045"
        },
        {
            "binary_version": "4.15.0-1045.47~16.04.1",
            "binary_name": "linux-aws-hwe-cloud-tools-4.15.0-1045"
        },
        {
            "binary_version": "4.15.0-1045.47~16.04.1",
            "binary_name": "linux-aws-hwe-tools-4.15.0-1045"
        },
        {
            "binary_version": "4.15.0-1045.47~16.04.1",
            "binary_name": "linux-buildinfo-4.15.0-1045-aws"
        },
        {
            "binary_version": "4.15.0-1045.47~16.04.1",
            "binary_name": "linux-cloud-tools-4.15.0-1045-aws"
        },
        {
            "binary_version": "4.15.0-1045.47~16.04.1",
            "binary_name": "linux-headers-4.15.0-1045-aws"
        },
        {
            "binary_version": "4.15.0-1045.47~16.04.1",
            "binary_name": "linux-image-4.15.0-1045-aws"
        },
        {
            "binary_version": "4.15.0-1045.47~16.04.1",
            "binary_name": "linux-modules-4.15.0-1045-aws"
        },
        {
            "binary_version": "4.15.0-1045.47~16.04.1",
            "binary_name": "linux-modules-extra-4.15.0-1045-aws"
        },
        {
            "binary_version": "4.15.0-1045.47~16.04.1",
            "binary_name": "linux-tools-4.15.0-1045-aws"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2019-1125",
            "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": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:18.04:LTS / linux-aws

Package

Name
linux-aws
Purl
pkg:deb/ubuntu/linux-aws@4.15.0-1045.47?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.15.0-1045.47

Affected versions

4.*

4.15.0-1001.1
4.15.0-1003.3
4.15.0-1005.5
4.15.0-1006.6
4.15.0-1007.7
4.15.0-1009.9
4.15.0-1010.10
4.15.0-1011.11
4.15.0-1016.16
4.15.0-1017.17
4.15.0-1019.19
4.15.0-1020.20
4.15.0-1021.21
4.15.0-1023.23
4.15.0-1025.25
4.15.0-1027.27
4.15.0-1029.30
4.15.0-1031.33
4.15.0-1032.34
4.15.0-1033.35
4.15.0-1034.36
4.15.0-1035.37
4.15.0-1037.39
4.15.0-1039.41
4.15.0-1040.42
4.15.0-1041.43
4.15.0-1043.45
4.15.0-1044.46

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "4.15.0-1045.47",
            "binary_name": "linux-aws-cloud-tools-4.15.0-1045"
        },
        {
            "binary_version": "4.15.0-1045.47",
            "binary_name": "linux-aws-headers-4.15.0-1045"
        },
        {
            "binary_version": "4.15.0-1045.47",
            "binary_name": "linux-aws-tools-4.15.0-1045"
        },
        {
            "binary_version": "4.15.0-1045.47",
            "binary_name": "linux-buildinfo-4.15.0-1045-aws"
        },
        {
            "binary_version": "4.15.0-1045.47",
            "binary_name": "linux-cloud-tools-4.15.0-1045-aws"
        },
        {
            "binary_version": "4.15.0-1045.47",
            "binary_name": "linux-headers-4.15.0-1045-aws"
        },
        {
            "binary_version": "4.15.0-1045.47",
            "binary_name": "linux-image-4.15.0-1045-aws"
        },
        {
            "binary_version": "4.15.0-1045.47",
            "binary_name": "linux-modules-4.15.0-1045-aws"
        },
        {
            "binary_version": "4.15.0-1045.47",
            "binary_name": "linux-modules-extra-4.15.0-1045-aws"
        },
        {
            "binary_version": "4.15.0-1045.47",
            "binary_name": "linux-tools-4.15.0-1045-aws"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2019-1125",
            "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": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}