USN-3732-2

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Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-3732-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3732-2.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-3732-2
Upstream
Related
Published
2018-08-06T21:32:43.233618Z
Modified
2025-10-13T04:34:41Z
Summary
linux-hwe, linux-azure, linux-gcp vulnerability
Details

USN-3732-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS.

Juha-Matti Tilli discovered that the TCP implementation in the Linux kernel performed algorithmically expensive operations in some situations when handling incoming packets. A remote attacker could use this to cause a denial of service.

References

Affected packages

Ubuntu:16.04:LTS / linux-azure

Package

Name
linux-azure
Purl
pkg:deb/ubuntu/linux-azure@4.15.0-1019.19~16.04.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.15.0-1019.19~16.04.1

Affected versions

4.*

4.11.0-1009.9
4.11.0-1011.11
4.11.0-1013.13
4.11.0-1014.14
4.11.0-1015.15
4.11.0-1016.16
4.13.0-1005.7
4.13.0-1006.8
4.13.0-1007.9
4.13.0-1009.12
4.13.0-1011.14
4.13.0-1012.15
4.13.0-1014.17
4.13.0-1016.19
4.13.0-1018.21
4.15.0-1013.13~16.04.2
4.15.0-1014.14~16.04.1
4.15.0-1018.18~16.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "linux-azure-cloud-tools-4.15.0-1019",
            "binary_version": "4.15.0-1019.19~16.04.1"
        },
        {
            "binary_name": "linux-azure-headers-4.15.0-1019",
            "binary_version": "4.15.0-1019.19~16.04.1"
        },
        {
            "binary_name": "linux-azure-tools-4.15.0-1019",
            "binary_version": "4.15.0-1019.19~16.04.1"
        },
        {
            "binary_name": "linux-cloud-tools-4.15.0-1019-azure",
            "binary_version": "4.15.0-1019.19~16.04.1"
        },
        {
            "binary_name": "linux-headers-4.15.0-1019-azure",
            "binary_version": "4.15.0-1019.19~16.04.1"
        },
        {
            "binary_name": "linux-image-unsigned-4.15.0-1019-azure",
            "binary_version": "4.15.0-1019.19~16.04.1"
        },
        {
            "binary_name": "linux-modules-4.15.0-1019-azure",
            "binary_version": "4.15.0-1019.19~16.04.1"
        },
        {
            "binary_name": "linux-modules-extra-4.15.0-1019-azure",
            "binary_version": "4.15.0-1019.19~16.04.1"
        },
        {
            "binary_name": "linux-tools-4.15.0-1019-azure",
            "binary_version": "4.15.0-1019.19~16.04.1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2018-5390",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:16.04:LTS"
}

Ubuntu:16.04:LTS / linux-gcp

Package

Name
linux-gcp
Purl
pkg:deb/ubuntu/linux-gcp@4.15.0-1015.15~16.04.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.15.0-1015.15~16.04.1

Affected versions

4.*

4.10.0-1004.4
4.10.0-1006.6
4.10.0-1007.7
4.10.0-1008.8
4.10.0-1009.9
4.13.0-1002.5
4.13.0-1006.9
4.13.0-1007.10
4.13.0-1008.11
4.13.0-1011.15
4.13.0-1012.16
4.13.0-1013.17
4.13.0-1015.19
4.13.0-1017.21
4.13.0-1019.23
4.15.0-1014.14~16.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "linux-gcp-headers-4.15.0-1015",
            "binary_version": "4.15.0-1015.15~16.04.1"
        },
        {
            "binary_name": "linux-gcp-tools-4.15.0-1015",
            "binary_version": "4.15.0-1015.15~16.04.1"
        },
        {
            "binary_name": "linux-headers-4.15.0-1015-gcp",
            "binary_version": "4.15.0-1015.15~16.04.1"
        },
        {
            "binary_name": "linux-image-4.15.0-1015-gcp",
            "binary_version": "4.15.0-1015.15~16.04.1"
        },
        {
            "binary_name": "linux-modules-4.15.0-1015-gcp",
            "binary_version": "4.15.0-1015.15~16.04.1"
        },
        {
            "binary_name": "linux-modules-extra-4.15.0-1015-gcp",
            "binary_version": "4.15.0-1015.15~16.04.1"
        },
        {
            "binary_name": "linux-tools-4.15.0-1015-gcp",
            "binary_version": "4.15.0-1015.15~16.04.1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2018-5390",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:16.04:LTS"
}

Ubuntu:16.04:LTS / linux-hwe

Package

Name
linux-hwe
Purl
pkg:deb/ubuntu/linux-hwe@4.15.0-30.32~16.04.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.15.0-30.32~16.04.1

Affected versions

4.*

4.8.0-36.36~16.04.1
4.8.0-39.42~16.04.1
4.8.0-41.44~16.04.1
4.8.0-42.45~16.04.1
4.8.0-44.47~16.04.1
4.8.0-45.48~16.04.1
4.8.0-46.49~16.04.1
4.8.0-49.52~16.04.1
4.8.0-51.54~16.04.1
4.8.0-52.55~16.04.1
4.8.0-53.56~16.04.1
4.8.0-54.57~16.04.1
4.8.0-56.61~16.04.1
4.8.0-58.63~16.04.1
4.10.0-27.30~16.04.2
4.10.0-28.32~16.04.2
4.10.0-30.34~16.04.1
4.10.0-32.36~16.04.1
4.10.0-33.37~16.04.1
4.10.0-35.39~16.04.1
4.10.0-37.41~16.04.1
4.10.0-38.42~16.04.1
4.10.0-40.44~16.04.1
4.10.0-42.46~16.04.1
4.13.0-26.29~16.04.2
4.13.0-31.34~16.04.1
4.13.0-32.35~16.04.1
4.13.0-36.40~16.04.1
4.13.0-37.42~16.04.1
4.13.0-38.43~16.04.1
4.13.0-39.44~16.04.1
4.13.0-41.46~16.04.1
4.13.0-43.48~16.04.1
4.13.0-45.50~16.04.1
4.15.0-24.26~16.04.1
4.15.0-29.31~16.04.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "block-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "block-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "crypto-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "crypto-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "dasd-extra-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "dasd-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "fat-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "fat-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "fb-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "firewire-core-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "floppy-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "fs-core-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "fs-core-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "fs-secondary-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "fs-secondary-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "input-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "input-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "ipmi-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "ipmi-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "irda-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "irda-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "kernel-image-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "kernel-image-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-cloud-tools-4.15.0-30-generic",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-cloud-tools-4.15.0-30-lowlatency",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-headers-4.15.0-30",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-headers-4.15.0-30-generic",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-headers-4.15.0-30-generic-lpae",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-headers-4.15.0-30-lowlatency",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-hwe-cloud-tools-4.15.0-30",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-hwe-tools-4.15.0-30",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-hwe-udebs-generic",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-hwe-udebs-generic-lpae",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-image-4.15.0-30-generic",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-image-4.15.0-30-generic-lpae",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-image-4.15.0-30-lowlatency",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-image-unsigned-4.15.0-30-generic",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-image-unsigned-4.15.0-30-lowlatency",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-modules-4.15.0-30-generic",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-modules-4.15.0-30-generic-lpae",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-modules-4.15.0-30-lowlatency",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-modules-extra-4.15.0-30-generic",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-source-4.15.0",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-tools-4.15.0-30-generic",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-tools-4.15.0-30-generic-lpae",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "linux-tools-4.15.0-30-lowlatency",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "md-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "md-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "message-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "mouse-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "mouse-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "multipath-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "multipath-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "nfs-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "nfs-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "nic-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "nic-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
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            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "nic-shared-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
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            "binary_version": "4.15.0-30.32~16.04.1"
        },
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            "binary_version": "4.15.0-30.32~16.04.1"
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        },
        {
            "binary_name": "parport-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "pata-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "pcmcia-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
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            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
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            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
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            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "ppp-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "ppp-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "sata-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "sata-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "scsi-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "scsi-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "serial-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "storage-core-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "storage-core-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "usb-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "usb-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "virtio-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "vlan-modules-4.15.0-30-generic-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        },
        {
            "binary_name": "vlan-modules-4.15.0-30-generic-lpae-di",
            "binary_version": "4.15.0-30.32~16.04.1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2018-5390",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:16.04:LTS"
}