1. 修复的CVE

CVE-2021-3995

util-linux是开源的一个软件包。util-linux 存在安全漏洞，攻击者可以通过 libmount 导致 util-linux 的致命错误，以触发拒绝服务。

CVE-2021-3996

util-linux是开源的一个软件包。util-linux 存在安全漏洞，攻击者可以通过 libmount 导致 util-linux 的致命错误，以触发拒绝服务。

2. 受影响的操作系统及软件包

·银河麒麟桌面操作系统V10 SP1

x86_64 架构：

bsdutils、fdisk、libblkid1、libfdisk1、libmount1、libsmartcols1、libuuid1、mount、rfkill、util-linux-locales、util-linux、uuid-runtime

arm64 架构：

bsdutils、fdisk、libblkid1、libfdisk1、libmount1、libsmartcols1、libuuid1、mount、rfkill、util-linux-locales、util-linux、uuid-runtime

mips64el 架构：

bsdutils、fdisk、libblkid1、libfdisk1、libmount1、libsmartcols1、libuuid1、mount、rfkill、util-linux-locales、util-linux、uuid-runtime

loongarch64 架构：

bsdutils、fdisk、libblkid1、libfdisk1、libmount1、libsmartcols1、libuuid1、mount、rfkill、util-linux-locales、util-linux、uuid-runtime

3. 软件包修复版本

·银河麒麟桌面操作系统V10 SP1

2.34-0.1kylin16~rc1

4. 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。

10.0 SP1:

http://archive.kylinos.cn/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

$sudo apt install util-linux

方法二：下载软件包进行升级安装

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软件包列表升级相关的组件包。

$sudo dpkg -i /Path1/Package1 /Path2/Package2 /Path3/Package3……

注：Path 指软件包下载到本地的路径，Package指下载的软件包名称，多个软件包则以空格分开。

5. 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.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/bsdutils_2.34-0.1kylin16~rc1_amd64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/fdisk_2.34-0.1kylin16~rc1_amd64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libblkid1_2.34-0.1kylin16~rc1_amd64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libfdisk1_2.34-0.1kylin16~rc1_amd64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libmount1_2.34-0.1kylin16~rc1_amd64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libsmartcols1_2.34-0.1kylin16~rc1_amd64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libuuid1_2.34-0.1kylin16~rc1_amd64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/mount_2.34-0.1kylin16~rc1_amd64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/rfkill_2.34-0.1kylin16~rc1_amd64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/util-linux-locales_2.34-0.1kylin16~rc1_all.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/util-linux_2.34-0.1kylin16~rc1_amd64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/uuid-runtime_2.34-0.1kylin16~rc1_amd64.deb

arm64软件包下载地址

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/bsdutils_2.34-0.1kylin16~rc1_arm64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/fdisk_2.34-0.1kylin16~rc1_arm64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libblkid1_2.34-0.1kylin16~rc1_arm64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libfdisk1_2.34-0.1kylin16~rc1_arm64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libmount1_2.34-0.1kylin16~rc1_arm64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libsmartcols1_2.34-0.1kylin16~rc1_arm64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libuuid1_2.34-0.1kylin16~rc1_arm64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/mount_2.34-0.1kylin16~rc1_arm64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/rfkill_2.34-0.1kylin16~rc1_arm64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/util-linux-locales_2.34-0.1kylin16~rc1_all.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/util-linux_2.34-0.1kylin16~rc1_arm64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/uuid-runtime_2.34-0.1kylin16~rc1_arm64.deb

mips64el软件包下载地址

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/bsdutils_2.34-0.1kylin16~rc1_mips64el.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/fdisk_2.34-0.1kylin16~rc1_mips64el.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libblkid1_2.34-0.1kylin16~rc1_mips64el.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libfdisk1_2.34-0.1kylin16~rc1_mips64el.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libmount1_2.34-0.1kylin16~rc1_mips64el.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libsmartcols1_2.34-0.1kylin16~rc1_mips64el.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libuuid1_2.34-0.1kylin16~rc1_mips64el.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/mount_2.34-0.1kylin16~rc1_mips64el.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/rfkill_2.34-0.1kylin16~rc1_mips64el.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/util-linux-locales_2.34-0.1kylin16~rc1_all.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/util-linux_2.34-0.1kylin16~rc1_mips64el.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/uuid-runtime_2.34-0.1kylin16~rc1_mips64el.deb

loongarch64软件包下载地址

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/bsdutils_2.34-0.1kylin16~rc1_loongarch64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/fdisk_2.34-0.1kylin16~rc1_loongarch64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libblkid1_2.34-0.1kylin16~rc1_loongarch64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libfdisk1_2.34-0.1kylin16~rc1_loongarch64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libmount1_2.34-0.1kylin16~rc1_loongarch64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libsmartcols1_2.34-0.1kylin16~rc1_loongarch64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/libuuid1_2.34-0.1kylin16~rc1_loongarch64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/mount_2.34-0.1kylin16~rc1_loongarch64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/rfkill_2.34-0.1kylin16~rc1_loongarch64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/util-linux-locales_2.34-0.1kylin16~rc1_all.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/util-linux_2.34-0.1kylin16~rc1_loongarch64.deb

http://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/util-linux/uuid-runtime_2.34-0.1kylin16~rc1_loongarch64.deb

6. 修复验证

使用软件包查询命令，查看相关的软件包版本大于或等于修复版本则成功修复。

$sudo dpkg -l |grep Package

注：Package为软件包包名。