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.osv.dev/v1/vulns/USN-3732-2

Related

Published

2018-08-06T21:32:43.233618Z

Modified

2018-08-06T21:32:43.233618Z

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?arch=src?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_version": "4.15.0-1019.19~16.04.1",
            "binary_name": "linux-azure-cloud-tools-4.15.0-1019"
        },
        {
            "binary_version": "4.15.0-1019.19~16.04.1",
            "binary_name": "linux-azure-cloud-tools-4.15.0-1019-dbgsym"
        },
        {
            "binary_version": "4.15.0-1019.19~16.04.1",
            "binary_name": "linux-azure-headers-4.15.0-1019"
        },
        {
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            "binary_name": "linux-azure-tools-4.15.0-1019"
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            "binary_name": "linux-azure-tools-4.15.0-1019-dbgsym"
        },
        {
            "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-image-unsigned-4.15.0-1019-azure-dbgsym"
        },
        {
            "binary_version": "4.15.0-1019.19~16.04.1",
            "binary_name": "linux-modules-4.15.0-1019-azure"
        },
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            "binary_name": "linux-tools-4.15.0-1019-azure"
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    ]
}

Ubuntu:16.04:LTS / linux-gcp

Package

Name: linux-gcp
Purl: pkg:deb/ubuntu/linux-gcp?arch=src?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_version": "4.15.0-1015.15~16.04.1",
            "binary_name": "linux-gcp-headers-4.15.0-1015"
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            "binary_version": "4.15.0-1015.15~16.04.1",
            "binary_name": "linux-gcp-tools-4.15.0-1015"
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            "binary_name": "linux-gcp-tools-4.15.0-1015-dbgsym"
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            "binary_name": "linux-headers-4.15.0-1015-gcp"
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            "binary_name": "linux-image-4.15.0-1015-gcp"
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            "binary_name": "linux-image-4.15.0-1015-gcp-dbgsym"
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            "binary_name": "linux-modules-4.15.0-1015-gcp"
        },
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            "binary_name": "linux-modules-extra-4.15.0-1015-gcp"
        },
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            "binary_version": "4.15.0-1015.15~16.04.1",
            "binary_name": "linux-tools-4.15.0-1015-gcp"
        }
    ]
}

Ubuntu:16.04:LTS / linux-hwe

Package

Name: linux-hwe
Purl: pkg:deb/ubuntu/linux-hwe?arch=src?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": [
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            "binary_version": "4.15.0-30.32~16.04.1",
            "binary_name": "block-modules-4.15.0-30-generic-di"
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        },
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            "binary_name": "fb-modules-4.15.0-30-generic-di"
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            "binary_name": "firewire-core-modules-4.15.0-30-generic-di"
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            "binary_name": "floppy-modules-4.15.0-30-generic-di"
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            "binary_name": "fs-core-modules-4.15.0-30-generic-di"
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            "binary_name": "ipmi-modules-4.15.0-30-generic-di"
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}