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.osv.dev/v1/vulns/USN-3903-2

Related

Published

2019-03-06T19:33:05.557617Z

Modified

2019-03-06T19:33:05.557617Z

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?arch=src?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

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

Ubuntu:18.04:LTS / linux-hwe

Package

Name: linux-hwe
Purl: pkg:deb/ubuntu/linux-hwe?arch=src?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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