USN-3106-4

It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges.

References

Affected packages

Ubuntu:16.04:LTS / linux-snapdragon

Package

Name: linux-snapdragon
Purl: pkg:deb/ubuntu/linux-snapdragon@4.4.0-1032.36?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.4.0-1032.36

Affected versions

4.*

4.4.0-1012.12

4.4.0-1013.14

4.4.0-1013.15

4.4.0-1015.18

4.4.0-1019.22

4.4.0-1020.23

4.4.0-1022.25

4.4.0-1024.27

4.4.0-1026.29

4.4.0-1030.33

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "4.4.0-1032.36",
            "binary_name": "linux-headers-4.4.0-1032-snapdragon"
        },
        {
            "binary_version": "4.4.0-1032.36",
            "binary_name": "linux-image-4.4.0-1032-snapdragon"
        },
        {
            "binary_version": "4.4.0-1032.36",
            "binary_name": "linux-snapdragon-headers-4.4.0-1032"
        },
        {
            "binary_version": "4.4.0-1032.36",
            "binary_name": "linux-snapdragon-tools-4.4.0-1032"
        },
        {
            "binary_version": "4.4.0-1032.36",
            "binary_name": "linux-tools-4.4.0-1032-snapdragon"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:16.04: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:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ],
            "id": "CVE-2016-5195"
        }
    ]
}