1. 修復的CVE

CVE-2021-3995

util-linux是開源的一個軟件包。util-linux 存在安全漏洞，攻擊者可以通過 libmount 導致 util-linux 的致命錯誤，以觸發拒絕服務。

CVE-2021-3996

util-linux是開源的一個軟件包。util-linux 存在安全漏洞，攻擊者可以通過 libmount 導致 util-linux 的致命錯誤，以觸發拒絕服務。

2. 受影響的操作系統及軟件包

·銀河麒麟桌面操作系統V10 SP1

x86_64 架構：

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

arm64 架構：

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

mips64el 架構：

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

loongarch64 架構：

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

3. 軟件包修復版本

·銀河麒麟桌面操作系統V10 SP1

2.34-0.1kylin16~rc1

4. 修復方法

方法一：配置源進行升級安裝

打開軟件包源配置文件，根據倉庫地址進行修改。

10.0 SP1:

http://archive.kylinos.cn/kylin/KYLIN-ALL 10.1 main restricted universe multiverse

配置完成后執行更新命令進行升級

$sudo apt update

$sudo apt install util-linux

方法二：下載軟件包進行升級安裝

通過軟件包地址下載軟件包，使用軟件包升級命令根據受影響的軟件包列表升級相關的組件包。

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

注：Path 指軟件包下載到本地的路徑，Package指下載的軟件包名稱，多個軟件包則以空格分開。

5. 軟件包下載地址

銀河麒麟桌面操作系統V10 SP1

x86_64軟件包下載地址

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軟件包下載地址

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軟件包下載地址

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軟件包下載地址

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. 修復驗證

使用軟件包查詢命令，查看相關的軟件包版本大于或等于修復版本則成功修復。

$sudo dpkg -l |grep Package

注：Package為軟件包包名。