1. 漏洞描述

This is a tool to transform and deploy microcode update for x86 CPUs.

Security Fix(es):

Incorrect default permissions in some memory controller configurations for some Intel(R) Xeon(R) Processors when using Intel(R) Software Guard Extensions which may allow a privileged user to potentially enable escalation of privilege via local access.(CVE-2022-33196)

Improper isolation of shared resources in some Intel(R) Processors when using Intel(R) Software Guard Extensions may allow a privileged user to potentially enable information disclosure via local access.(CVE-2022-38090)

Information exposure through microarchitectural state after transient execution in certain vector execution units for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.(CVE-2022-40982)

2. 影响范围

3. 影响组件

4. 修复版本

5. 修复方法

方法一：下载安装包进行升级安装
1、通过下载链接下载需要升级的升级包保存，如 xxx.rpm
2、通过rpm命令升级，如 rpm -Uvh xxx.rpm

方法二：通过软件源进行升级安装
1、保持能够连接上互联网
2、通过yum命令升级指定的包，如 yum install 包名

6. 下载链接

KY3.5.2:

x86_64:

     microcode_ctl   

aarch64: