CentOS 6 : kernel (CESA-2019:3836)

medium Nessus Plugin ID 130978
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote CentOS host is missing one or more security updates.

Description

An update for kernel is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es) :

* hw: Machine Check Error on Page Size Change (IFU) (CVE-2018-12207)

* hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)

* Kernel: vhost_net: infinite loop while receiving packets leads to DoS (CVE-2019-3900)

* hw: Intel GPU Denial Of Service while accessing MMIO in lower power state (CVE-2019-0154)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es) :

* [Intel 6.10 Bug] With mWait/C-states disabled, HT on, ibrs enabled, performance impact observed on user space benchmark (BZ#1560787)

* kernel-2.6.32-573.60.2.el6 hangs/resets during boot in efi_enter_virtual_mode() on Xeon v2 E7-2870 (BZ#1645724)

* Slab leak: skbuff_head_cache slab object still allocated after mcast processes are stopped and 'fragments dropped after timeout' errors are shown (BZ#1752536)

Solution

Update the affected kernel packages.

See Also

http://www.nessus.org/u?327555f5

Plugin Details

Severity: Medium

ID: 130978

File Name: centos_RHSA-2019-3836.nasl

Version: 1.4

Type: local

Agent: unix

Published: 11/14/2019

Updated: 12/13/2019

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2019-11135

VPR

Risk Factor: High

Score: 8.1

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:centos:centos:kernel, p-cpe:/a:centos:centos:kernel-abi-whitelists, p-cpe:/a:centos:centos:kernel-debug, p-cpe:/a:centos:centos:kernel-debug-devel, p-cpe:/a:centos:centos:kernel-devel, p-cpe:/a:centos:centos:kernel-doc, p-cpe:/a:centos:centos:kernel-firmware, p-cpe:/a:centos:centos:kernel-headers, p-cpe:/a:centos:centos:perf, p-cpe:/a:centos:centos:python-perf, cpe:/o:centos:centos:6

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/13/2019

Vulnerability Publication Date: 4/25/2019

Reference Information

CVE: CVE-2018-12207, CVE-2019-0154, CVE-2019-11135, CVE-2019-3900

RHSA: 2019:3836