USN-3106-3

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-raspi2

Package

Name: linux-raspi2
Purl: pkg:deb/ubuntu/linux-raspi2@4.4.0-1029.36?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.4.0-1029.36

Affected versions

4.*

4.2.0-1013.19

4.2.0-1014.21

4.3.0-1006.6

4.4.0-1003.4

4.4.0-1004.5

4.4.0-1009.10

4.4.0-1010.12

4.4.0-1010.13

4.4.0-1012.16

4.4.0-1016.22

4.4.0-1017.23

4.4.0-1019.25

4.4.0-1021.27

4.4.0-1023.29

4.4.0-1027.33

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "linux-headers-4.4.0-1029-raspi2",
            "binary_version": "4.4.0-1029.36"
        },
        {
            "binary_name": "linux-image-4.4.0-1029-raspi2",
            "binary_version": "4.4.0-1029.36"
        },
        {
            "binary_name": "linux-raspi2-headers-4.4.0-1029",
            "binary_version": "4.4.0-1029.36"
        },
        {
            "binary_name": "linux-raspi2-tools-4.4.0-1029",
            "binary_version": "4.4.0-1029.36"
        },
        {
            "binary_name": "linux-tools-4.4.0-1029-raspi2",
            "binary_version": "4.4.0-1029.36"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2016-5195",
            "severity": [
                {
                    "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": "CVSS_V3"
                },
                {
                    "score": "high",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:16.04:LTS"
}