1.修復的CVE ·CVE-2020-36691 描述：Linux kernel是美國Linux基金會的開源操作系統Linux所使用的內核。 Linux kernel 5.8之前版本存在安全漏洞。攻擊者利用該漏洞導致系統拒絕服務。 2.受影響的軟件包 ·銀河麒麟高級服務器操作系統 V10 SP3 ·aarch64架構: bpftool、kernel、kernel-abi-whitelists、kernel-core、kernel-cross-headers、kernel-debug、kernel-debug-core、kernel-debug-devel、kernel-debug-modules、kernel-debug-modules-extra、kernel-debug-modules-internal、kernel-devel、kernel-doc、kernel-headers、kernel-modules、kernel-modules-extra、kernel-modules-internal、kernel-tools、kernel-tools-libs、kernel-tools-libs-devel、perf、python3-perf ·x86_64架構: bpftool、kernel、kernel-abi-whitelists、kernel-core、kernel-cross-headers、kernel-debug、kernel-debug-core、kernel-debug-devel、kernel-debug-modules、kernel-debug-modules-extra、kernel-debug-modules-internal、kernel-devel、kernel-doc、kernel-headers、kernel-ipaclones-internal、kernel-modules、kernel-modules-extra、kernel-modules-internal、kernel-tools、kernel-tools-libs、kernel-tools-libs-devel、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 (aarch64) bpftool-4.19.90-52.28.v2207.ky10或以上版本 kernel-4.19.90-52.28.v2207.ky10或以上版本 kernel-abi-whitelists-4.19.90-52.28.v2207.ky10或以上版本 kernel-core-4.19.90-52.28.v2207.ky10或以上版本 kernel-cross-headers-4.19.90-52.28.v2207.ky10或以上版本 kernel-debug-4.19.90-52.28.v2207.ky10或以上版本 kernel-debug-core-4.19.90-52.28.v2207.ky10或以上版本 kernel-debug-devel-4.19.90-52.28.v2207.ky10或以上版本 kernel-debug-modules-4.19.90-52.28.v2207.ky10或以上版本 kernel-debug-modules-extra-4.19.90-52.28.v2207.ky10或以上版本 kernel-debug-modules-internal-4.19.90-52.28.v2207.ky10或以上版本 kernel-devel-4.19.90-52.28.v2207.ky10或以上版本 kernel-doc-4.19.90-52.28.v2207.ky10或以上版本 kernel-headers-4.19.90-52.28.v2207.ky10或以上版本 kernel-modules-4.19.90-52.28.v2207.ky10或以上版本 kernel-modules-extra-4.19.90-52.28.v2207.ky10或以上版本 kernel-modules-internal-4.19.90-52.28.v2207.ky10或以上版本 kernel-tools-4.19.90-52.28.v2207.ky10或以上版本 kernel-tools-libs-4.19.90-52.28.v2207.ky10或以上版本 kernel-tools-libs-devel-4.19.90-52.28.v2207.ky10或以上版本 perf-4.19.90-52.28.v2207.ky10或以上版本 python3-perf-4.19.90-52.28.v2207.ky10或以上版本 ·銀河麒麟高級服務器操作系統 V10 SP3 (x86_64) bpftool-4.19.90-52.28.v2207.ky10或以上版本 kernel-4.19.90-52.28.v2207.ky10或以上版本 kernel-abi-whitelists-4.19.90-52.28.v2207.ky10或以上版本 kernel-core-4.19.90-52.28.v2207.ky10或以上版本 kernel-cross-headers-4.19.90-52.28.v2207.ky10或以上版本 kernel-debug-4.19.90-52.28.v2207.ky10或以上版本 kernel-debug-core-4.19.90-52.28.v2207.ky10或以上版本 kernel-debug-devel-4.19.90-52.28.v2207.ky10或以上版本 kernel-debug-modules-4.19.90-52.28.v2207.ky10或以上版本 kernel-debug-modules-extra-4.19.90-52.28.v2207.ky10或以上版本 kernel-debug-modules-internal-4.19.90-52.28.v2207.ky10或以上版本 kernel-devel-4.19.90-52.28.v2207.ky10或以上版本 kernel-doc-4.19.90-52.28.v2207.ky10或以上版本 kernel-headers-4.19.90-52.28.v2207.ky10或以上版本 kernel-ipaclones-internal-4.19.90-52.28.v2207.ky10或以上版本 kernel-modules-4.19.90-52.28.v2207.ky10或以上版本 kernel-modules-extra-4.19.90-52.28.v2207.ky10或以上版本 kernel-modules-internal-4.19.90-52.28.v2207.ky10或以上版本 kernel-tools-4.19.90-52.28.v2207.ky10或以上版本 kernel-tools-libs-4.19.90-52.28.v2207.ky10或以上版本 kernel-tools-libs-devel-4.19.90-52.28.v2207.ky10或以上版本 perf-4.19.90-52.28.v2207.ky10或以上版本 python3-perf-4.19.90-52.28.v2207.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 aarch64:https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/ 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-2020-36691: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(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/bpftool-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-abi-whitelists-4.19.90-52.28.v2207.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-core-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-cross-headers-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-debug-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-debug-core-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-debug-devel-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-debug-modules-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-debug-modules-extra-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-debug-modules-internal-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-devel-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-doc-4.19.90-52.28.v2207.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-headers-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-modules-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-modules-extra-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-modules-internal-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-tools-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-tools-libs-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-tools-libs-devel-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/perf-4.19.90-52.28.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/python3-perf-4.19.90-52.28.v2207.ky10.aarch64.rpm kernel(x86_64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/bpftool-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-abi-whitelists-4.19.90-52.28.v2207.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-core-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-cross-headers-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-debug-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-debug-core-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-debug-devel-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-debug-modules-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-debug-modules-extra-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-debug-modules-internal-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-devel-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-doc-4.19.90-52.28.v2207.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-headers-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-ipaclones-internal-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-modules-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-modules-extra-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-modules-internal-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-tools-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-tools-libs-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-tools-libs-devel-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/perf-4.19.90-52.28.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/python3-perf-4.19.90-52.28.v2207.ky10.x86_64.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