1. 修复的CVE信息

• CVE-2021-38185

  cpio是一款用于类UNIX系统的文件备份程序。cpio 中存在安全漏洞。允许攻击者通过精心设计的模式文件执行任意代码，因为 dstring.c ds_fgetstr 整数溢出会触发越界堆写入。

2. 影响的操作系统

银河麒麟桌面操作系统V10 SP1

3. 修复版本

软件包：cpio

2.13+dfsg-2kylin0.3(V10 SP1)

4. 受影响的软件包

• 银河麒麟桌面操作系统V10 SP1

cpio

cpio-win32

5. 修复方法

方法一：配置源进行升级安装

打开软件包源配置文件，根据仓库地址进行修改。

4.0.2-sp1:http://archive.cyjm16888.com/kylin/KYLIN-ALL 4.0.2sp1-desktop main restricted universe multiverse

4.0.2-sp2:http://archive.cyjm16888.com/kylin/KYLIN-ALL 4.0.2sp2-desktop main restricted universe multiverse

4.0.2-sp3:http://archive.cyjm16888.com/kylin/KYLIN-ALL 4.0.2sp3-desktop main restricted universe multiverse

4.0.2-sp4:http://archive.cyjm16888.com/kylin/KYLIN-ALL 4.0.2sp4-desktop main restricted universe multiverse

10.0:http://archive.cyjm16888.com/kylin/KYLIN-ALL 10.0 main restricted universe multiverse

10.0 SP1:http://archive.cyjm16888.com/kylin/KYLIN-ALL 10.1 main restricted universe multiverse

配置完成后执行更新命令进行升级。$sudo apt update

方法二：下载安装包进行升级安装

通过软件包地址下载软件包，使用软件包升级命令根据受影响的组件包列表 升级相关的组件包。$dpkg -i Packagelists

6. 软件包下载地址

• 银河麒麟桌面操作系统V10 SP1

  X86_64软件包下载地址：

  http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/c/cpio/cpio-win32_2.13%2Bdfsg-2kylin0.3_all.deb

  http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/c/cpio/cpio_2.13+dfsg-2kylin0.3_amd64.deb

  arm64软件包下载地址：

  http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/c/cpio/cpio-win32_2.13%2Bdfsg-2kylin0.3_all.deb

  http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/c/cpio/cpio_2.13+dfsg-2kylin0.3_arm64.deb

  mips64el软件包下载地址：

  http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/c/cpio/cpio-win32_2.13%2Bdfsg-2kylin0.3_all.deb

  http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/c/cpio/cpio_2.13+dfsg-2kylin0.3_mips64el.deb