CentOS 6 : kernel (CESA-2019:4256)

High Nessus Plugin ID 132404

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VPR Score: 7.3

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) :

* Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)

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) :

* KEYS: prevent creating a different user's keyrings RHEL-6.10 (BZ#1537371)

* BUG: unable to handle kernel NULL pointer dereference at (null) (BZ# 1733760)

* long I/O stalls with bnx2fc from not masking off scope bits of retry delay value (BZ#1749512)

Solution

Update the affected kernel packages.

See Also

http://www.nessus.org/u?2cf12821

Plugin Details

Severity: High

ID: 132404

File Name: centos_RHSA-2019-4256.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2019/12/27

Updated: 2019/12/31

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 7.3

CVSS Score Source: CVE-2019-14821

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.3

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

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

CVSS v3.0

Base Score: 8.8

Temporal Score: 7.7

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

Temporal Vector: CVSS:3.0/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: 2019/12/24

Vulnerability Publication Date: 2019/09/19

Reference Information

CVE: CVE-2019-14821

RHSA: 2019:4256