EulerOS Virtualization 2.5.1 : kernel (EulerOS-SA-2018-1323)

Medium Nessus Plugin ID 118411

Synopsis

The remote EulerOS Virtualization host is missing multiple security
updates.

Description

According to the versions of the kernel packages installed, the
EulerOS Virtualization installation on the remote host is affected by
the following vulnerabilities :

- Modern operating systems implement virtualization of
physical memory to efficiently use available system
resources and provide inter-domain protection through
access control and isolation. The L1TF issue was found
in the way the x86 microprocessor designs have
implemented speculative execution of instructions (a
commonly used performance optimisation) in combination
with handling of page-faults caused by terminated
virtual to physical address resolving process. As a
result, an unprivileged attacker could use this flaw to
read privileged memory of the kernel or other processes
and/or cross guest/host boundaries to read host memory
by conducting targeted cache side-channel attacks.
(CVE-2018-3620, CVE-2018-3646)

Note that Tenable Network Security has extracted the preceding
description block directly from the EulerOS security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution

Update the affected kernel packages.

See Also

http://www.nessus.org/u?37e1c3a8

Plugin Details

Severity: Medium

ID: 118411

File Name: EulerOS_SA-2018-1323.nasl

Version: 1.2

Type: local

Published: 2018/10/26

Modified: 2018/11/13

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 4.7

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

CVSS v3.0

Base Score: 5.6

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

Vulnerability Information

CPE: p-cpe:/a:huawei:euleros:kernel, p-cpe:/a:huawei:euleros:kernel-devel, p-cpe:/a:huawei:euleros:kernel-headers, p-cpe:/a:huawei:euleros:kernel-tools, p-cpe:/a:huawei:euleros:kernel-tools-libs, p-cpe:/a:huawei:euleros:kernel-tools-libs-devel, cpe:/o:huawei:euleros:uvp:2.5.1

Patch Publication Date: 2018/09/23

Reference Information

CVE: CVE-2018-3620, CVE-2018-3646