USN-3903-2

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Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-3903-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3903-2.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-3903-2
Upstream
Related
Published
2019-03-06T19:33:05.557617Z
Modified
2025-10-13T04:34:47Z
Summary
linux-hwe, linux-azure vulnerabilities
Details

USN-3903-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.10. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 18.10 for Ubuntu 18.04 LTS.

Jason Wang discovered that the vhost net driver in the Linux kernel contained an out of bounds write vulnerability. An attacker in a guest virtual machine could use this to cause a denial of service (host system crash) or possibly execute arbitrary code in the host kernel. (CVE-2018-16880)

Jann Horn discovered that the userfaultd implementation in the Linux kernel did not properly restrict access to certain ioctls. A local attacker could use this possibly to modify files. (CVE-2018-18397)

Jann Horn discovered a race condition in the fork() system call in the Linux kernel. A local attacker could use this to gain access to services that cache authorizations. (CVE-2019-6133)

References

Affected packages

Ubuntu:18.04:LTS / linux-azure

Package

Name
linux-azure
Purl
pkg:deb/ubuntu/linux-azure@4.18.0-1013.13~18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-1013.13~18.04.1

Affected versions

4.*

4.15.0-1002.2
4.15.0-1003.3
4.15.0-1004.4
4.15.0-1008.8
4.15.0-1009.9
4.15.0-1012.12
4.15.0-1013.13
4.15.0-1014.14
4.15.0-1018.18
4.15.0-1019.19
4.15.0-1021.21
4.15.0-1022.23
4.15.0-1023.24
4.15.0-1025.26
4.15.0-1028.29
4.15.0-1030.31
4.15.0-1031.32
4.15.0-1032.33
4.15.0-1035.36
4.15.0-1036.38
4.15.0-1037.39
4.18.0-1011.11~18.04.1

Ecosystem specific 

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    "binaries": [
        {
            "binary_name": "linux-azure-cloud-tools-4.18.0-1013",
            "binary_version": "4.18.0-1013.13~18.04.1"
        },
        {
            "binary_name": "linux-azure-headers-4.18.0-1013",
            "binary_version": "4.18.0-1013.13~18.04.1"
        },
        {
            "binary_name": "linux-azure-tools-4.18.0-1013",
            "binary_version": "4.18.0-1013.13~18.04.1"
        },
        {
            "binary_name": "linux-buildinfo-4.18.0-1013-azure",
            "binary_version": "4.18.0-1013.13~18.04.1"
        },
        {
            "binary_name": "linux-cloud-tools-4.18.0-1013-azure",
            "binary_version": "4.18.0-1013.13~18.04.1"
        },
        {
            "binary_name": "linux-headers-4.18.0-1013-azure",
            "binary_version": "4.18.0-1013.13~18.04.1"
        },
        {
            "binary_name": "linux-image-unsigned-4.18.0-1013-azure",
            "binary_version": "4.18.0-1013.13~18.04.1"
        },
        {
            "binary_name": "linux-modules-4.18.0-1013-azure",
            "binary_version": "4.18.0-1013.13~18.04.1"
        },
        {
            "binary_name": "linux-modules-extra-4.18.0-1013-azure",
            "binary_version": "4.18.0-1013.13~18.04.1"
        },
        {
            "binary_name": "linux-tools-4.18.0-1013-azure",
            "binary_version": "4.18.0-1013.13~18.04.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2018-16880"
        },
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2018-18397"
        },
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2019-6133"
        }
    ]
}

Ubuntu:18.04:LTS / linux-hwe

Package

Name
linux-hwe
Purl
pkg:deb/ubuntu/linux-hwe@4.18.0-16.17~18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-16.17~18.04.1

Affected versions

4.*

4.18.0-13.14~18.04.1
4.18.0-14.15~18.04.1
4.18.0-15.16~18.04.1

Ecosystem specific 

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        },
        {
            "binary_name": "scsi-modules-4.18.0-16-generic-lpae-di",
            "binary_version": "4.18.0-16.17~18.04.1"
        },
        {
            "binary_name": "scsi-modules-4.18.0-16-snapdragon-di",
            "binary_version": "4.18.0-16.17~18.04.1"
        },
        {
            "binary_name": "serial-modules-4.18.0-16-generic-di",
            "binary_version": "4.18.0-16.17~18.04.1"
        },
        {
            "binary_name": "storage-core-modules-4.18.0-16-generic-di",
            "binary_version": "4.18.0-16.17~18.04.1"
        },
        {
            "binary_name": "storage-core-modules-4.18.0-16-generic-lpae-di",
            "binary_version": "4.18.0-16.17~18.04.1"
        },
        {
            "binary_name": "storage-core-modules-4.18.0-16-snapdragon-di",
            "binary_version": "4.18.0-16.17~18.04.1"
        },
        {
            "binary_name": "usb-modules-4.18.0-16-generic-di",
            "binary_version": "4.18.0-16.17~18.04.1"
        },
        {
            "binary_name": "usb-modules-4.18.0-16-generic-lpae-di",
            "binary_version": "4.18.0-16.17~18.04.1"
        },
        {
            "binary_name": "usb-modules-4.18.0-16-snapdragon-di",
            "binary_version": "4.18.0-16.17~18.04.1"
        },
        {
            "binary_name": "virtio-modules-4.18.0-16-generic-di",
            "binary_version": "4.18.0-16.17~18.04.1"
        },
        {
            "binary_name": "virtio-modules-4.18.0-16-snapdragon-di",
            "binary_version": "4.18.0-16.17~18.04.1"
        },
        {
            "binary_name": "vlan-modules-4.18.0-16-generic-di",
            "binary_version": "4.18.0-16.17~18.04.1"
        },
        {
            "binary_name": "vlan-modules-4.18.0-16-generic-lpae-di",
            "binary_version": "4.18.0-16.17~18.04.1"
        },
        {
            "binary_name": "vlan-modules-4.18.0-16-snapdragon-di",
            "binary_version": "4.18.0-16.17~18.04.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2018-16880"
        },
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2018-18397"
        },
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2019-6133"
        }
    ]
}