1. 修復的CVE CVE-2021-28235 etcd是一套使用Go語言編寫的用于分布式系統的鍵值存儲系統。 Etcd-io v.3.4.10版本存在安全漏洞。遠程攻擊者利用該漏洞通過調試功能提升權限。 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： etcd-client、etcd-server、etcd arm64 架構： etcd-client、etcd-server、etcd mips64el 架構： etcd-client、etcd-server、etcd 3. 軟件包修復版本 ·銀河麒麟桌面操作系統V10 SP1 3.2.26+dfsg-6kylin0.2+esm1 4. 修復方法 方法一：升級安裝 執行更新命令進行升級 $sudo apt update $sudo apt install etcd-server $sudo apt install etcd-client 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 https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/e/etcd/etcd-client_3.2.26%2Bdfsg-6kylin0.2%2Besm1_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/e/etcd/etcd-server_3.2.26%2Bdfsg-6kylin0.2%2Besm1_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/e/etcd/etcd_3.2.26%2Bdfsg-6kylin0.2%2Besm1_all.deb arm64軟件包下載地址 https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/e/etcd/etcd-client_3.2.26%2Bdfsg-6kylin0.2%2Besm1_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/e/etcd/etcd-server_3.2.26%2Bdfsg-6kylin0.2%2Besm1_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/e/etcd/etcd_3.2.26%2Bdfsg-6kylin0.2%2Besm1_all.deb mips64el軟件包下載地址 https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/e/etcd/etcd-client_3.2.26%2Bdfsg-6kylin0.2%2Besm1_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/e/etcd/etcd-server_3.2.26%2Bdfsg-6kylin0.2%2Besm1_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/e/etcd/etcd_3.2.26%2Bdfsg-6kylin0.2%2Besm1_all.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。