1.修復的CVE ·CVE-2020-8835 描述：Linux kernel是美國Linux基金會發布的開源操作系統Linux所使用的內核。Linux kernel 5.5.0及更高版本中存在安全漏洞。攻擊者可利用該漏洞在系統上執行任意代碼。 2.受影響的軟件包 ·銀河麒麟高級服務器操作系統 V10 SP3 ·loongarch64架構: bpftool、kernel、kernel-abi-whitelists、kernel-core、kernel-cross-headers、kernel-devel、kernel-doc、kernel-headers、kernel-kdump、kernel-kdump-core、kernel-kdump-devel、kernel-kdump-modules、kernel-kdump-modules-extra、kernel-kdump-modules-internal、kernel-modules、kernel-modules-extra、kernel-modules-internal、kernel-tools、perf、python3-perf 3.軟件包修復版本 ·銀河麒麟高級服務器操作系統 V10 SP3 (loongarch64) bpftool-4.19.90-52.27.v2207.a.ky10或以上版本 kernel-4.19.90-52.27.v2207.a.ky10或以上版本 kernel-abi-whitelists-4.19.90-52.27.v2207.a.ky10或以上版本 kernel-core-4.19.90-52.27.v2207.a.ky10或以上版本 kernel-cross-headers-4.19.90-52.27.v2207.a.ky10或以上版本 kernel-devel-4.19.90-52.27.v2207.a.ky10或以上版本 kernel-doc-4.19.90-52.27.v2207.a.ky10或以上版本 kernel-headers-4.19.90-52.27.v2207.a.ky10或以上版本 kernel-kdump-4.19.90-52.27.v2207.a.ky10或以上版本 kernel-kdump-core-4.19.90-52.27.v2207.a.ky10或以上版本 kernel-kdump-devel-4.19.90-52.27.v2207.a.ky10或以上版本 kernel-kdump-modules-4.19.90-52.27.v2207.a.ky10或以上版本 kernel-kdump-modules-extra-4.19.90-52.27.v2207.a.ky10或以上版本 kernel-kdump-modules-internal-4.19.90-52.27.v2207.a.ky10或以上版本 kernel-modules-4.19.90-52.27.v2207.a.ky10或以上版本 kernel-modules-extra-4.19.90-52.27.v2207.a.ky10或以上版本 kernel-modules-internal-4.19.90-52.27.v2207.a.ky10或以上版本 kernel-tools-4.19.90-52.27.v2207.a.ky10或以上版本 perf-4.19.90-52.27.v2207.a.ky10或以上版本 python3-perf-4.19.90-52.27.v2207.a.ky10或以上版本 4.修復方法 方法一：配置源進行升級安裝 1.打開軟件包源配置文件，根據倉庫地址進行修改。 倉庫源地址： 銀河麒麟高級服務器操作系統 V10 SP3 loongarch64:https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/ 2.配置完成后執行更新命令進行升級，命令如下： yum update Packagename 方法二：下載安裝包進行升級安裝 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 列表進行升級安裝, 命令如下： yum install Packagename 3.升級完成后是否需要重啟服務或操作系統： CVE-2020-8835:需要重啟操作系統以使漏洞修復生效。 5.軟件包下載地址 ·銀河麒麟高級服務器操作系統 V10 SP3 kernel(loongarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/bpftool-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-abi-whitelists-4.19.90-52.27.v2207.a.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-core-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-cross-headers-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-devel-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-doc-4.19.90-52.27.v2207.a.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-headers-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-kdump-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-kdump-core-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-kdump-devel-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-kdump-modules-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-kdump-modules-extra-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-kdump-modules-internal-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-modules-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-modules-extra-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-modules-internal-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-tools-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/perf-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/python3-perf-4.19.90-52.27.v2207.a.ky10.loongarch64.rpm 注：其他相關依賴包請到相同目錄下載 6.修復驗證 使用軟件包查詢命令，查看相關軟件包版本是否與修復版本一致，如果版本一致，則說明修復成功。 sudo rpm -qa | grep Packagename