1. 漏洞描述

Trusted Firmware-A is a reference implementation of secure world software for Arm A-Profile architectures (Armv8-A and Armv7-A), including an Exception Level 3 (EL3) Secure Monitor.

Security Fix(es):

An unprivileged context can trigger a data
memory-dependent prefetch engine to fetch the contents of a privileged location
and consume those contents as an address that is also dereferenced.(CVE-2024-7881)

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

KY3.5.3:

x86_64:

aarch64:

     arm-trusted-firmware-armv8