Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2016-3632) (Dirty COW)

High Nessus Plugin ID 94223

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

Description of changes:

kernel-uek [4.1.12-61.1.16.el7uek]
- mm: remove gup_flags FOLL_WRITE games from __get_user_pages() (Linus Torvalds) [Orabug: 24927306] {CVE-2016-5195}

[4.1.12-61.1.15.el7uek]
- drivers/nvme: provide a module parameter for setting number of I/O queues (Shan Hai) [Orabug: 24914956]
- blk-mq: improve warning for running a queue on the wrong CPU (Jens Axboe) [Orabug: 24914956]
- blk-mq: fix freeze queue race (Shan Hai) [Orabug: 24914956]

Solution

Update the affected unbreakable enterprise kernel packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2016-October/006427.html

https://oss.oracle.com/pipermail/el-errata/2016-October/006428.html

Plugin Details

Severity: High

ID: 94223

File Name: oraclelinux_ELSA-2016-3632.nasl

Version: 2.16

Type: local

Agent: unix

Published: 2016/10/24

Updated: 2019/04/11

Dependencies: 122878, 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.2

Temporal Score: 6.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:H/RL:OF/RC:C

CVSS v3.0

Base Score: 7.8

Temporal Score: 7.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:dtrace-modules-4.1.12-61.1.16.el6uek, p-cpe:/a:oracle:linux:dtrace-modules-4.1.12-61.1.16.el7uek, p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-firmware, cpe:/o:oracle:linux:6, cpe:/o:oracle:linux:7

Required KB Items: Host/local_checks_enabled, Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2016/10/22

Vulnerability Publication Date: 2016/11/10

Exploitable With

CANVAS (CANVAS)

Core Impact

Reference Information

CVE: CVE-2016-5195

IAVA: 2016-A-0306