1.修復的CVE ·CVE-2021-38208 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 存在安全漏洞，該漏洞源于5.12.10之前版本的 Linux 內核中的 net/nfc/llcp_sock.c 允許本地非特權用戶在某種類型的綁定調用失敗后通過調用 getsockname 來導致拒絕服務（空指針解引用和 BUG）。 ·CVE-2022-2991 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 存在安全漏洞，該漏洞源于LightNVM 子系統中發現了基于堆的緩沖區溢出，將用戶提供的數據復制到固定長度的基于堆的緩沖區之前缺乏對長度的正確驗證，攻擊者利用該漏洞可以提升權限并在內核上下文中執行任意代碼。 ·CVE-2023-20593 描述：AMD CPUs是美國超威半導體（AMD）公司的一個系列CPU。 AMD EPYC存在安全漏洞，該漏洞源于在特定微架構環境下,允許攻擊者訪問敏感信息。 2.受影響的軟件包 ·銀河麒麟高級服務器操作系統 V10 SP2 ·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-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-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 SP2 (aarch64) bpftool-4.19.90-25.34.v2101.ky10或以上版本 kernel-4.19.90-25.34.v2101.ky10或以上版本 kernel-abi-whitelists-4.19.90-25.34.v2101.ky10或以上版本 kernel-core-4.19.90-25.34.v2101.ky10或以上版本 kernel-cross-headers-4.19.90-25.34.v2101.ky10或以上版本 kernel-debug-4.19.90-25.34.v2101.ky10或以上版本 kernel-debug-core-4.19.90-25.34.v2101.ky10或以上版本 kernel-debug-devel-4.19.90-25.34.v2101.ky10或以上版本 kernel-debug-modules-4.19.90-25.34.v2101.ky10或以上版本 kernel-debug-modules-extra-4.19.90-25.34.v2101.ky10或以上版本 kernel-debug-modules-internal-4.19.90-25.34.v2101.ky10或以上版本 kernel-devel-4.19.90-25.34.v2101.ky10或以上版本 kernel-headers-4.19.90-25.34.v2101.ky10或以上版本 kernel-modules-4.19.90-25.34.v2101.ky10或以上版本 kernel-modules-extra-4.19.90-25.34.v2101.ky10或以上版本 kernel-modules-internal-4.19.90-25.34.v2101.ky10或以上版本 kernel-tools-4.19.90-25.34.v2101.ky10或以上版本 kernel-tools-libs-4.19.90-25.34.v2101.ky10或以上版本 kernel-tools-libs-devel-4.19.90-25.34.v2101.ky10或以上版本 perf-4.19.90-25.34.v2101.ky10或以上版本 python3-perf-4.19.90-25.34.v2101.ky10或以上版本 ·銀河麒麟高級服務器操作系統 V10 SP2 (x86_64) bpftool-4.19.90-25.34.v2101.ky10或以上版本 kernel-4.19.90-25.34.v2101.ky10或以上版本 kernel-abi-whitelists-4.19.90-25.34.v2101.ky10或以上版本 kernel-core-4.19.90-25.34.v2101.ky10或以上版本 kernel-cross-headers-4.19.90-25.34.v2101.ky10或以上版本 kernel-debug-4.19.90-25.34.v2101.ky10或以上版本 kernel-debug-core-4.19.90-25.34.v2101.ky10或以上版本 kernel-debug-devel-4.19.90-25.34.v2101.ky10或以上版本 kernel-debug-modules-4.19.90-25.34.v2101.ky10或以上版本 kernel-debug-modules-extra-4.19.90-25.34.v2101.ky10或以上版本 kernel-debug-modules-internal-4.19.90-25.34.v2101.ky10或以上版本 kernel-devel-4.19.90-25.34.v2101.ky10或以上版本 kernel-headers-4.19.90-25.34.v2101.ky10或以上版本 kernel-ipaclones-internal-4.19.90-25.34.v2101.ky10或以上版本 kernel-modules-4.19.90-25.34.v2101.ky10或以上版本 kernel-modules-extra-4.19.90-25.34.v2101.ky10或以上版本 kernel-modules-internal-4.19.90-25.34.v2101.ky10或以上版本 kernel-tools-4.19.90-25.34.v2101.ky10或以上版本 kernel-tools-libs-4.19.90-25.34.v2101.ky10或以上版本 kernel-tools-libs-devel-4.19.90-25.34.v2101.ky10或以上版本 perf-4.19.90-25.34.v2101.ky10或以上版本 python3-perf-4.19.90-25.34.v2101.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 SP2 aarch64:https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V10/V10SP2/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-2021-38208:需要重啟 kernel 以使漏洞修復生效。 CVE-2022-2991:需要重啟 kernel 以使漏洞修復生效。 CVE-2023-20593: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 SP2 kernel(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/bpftool-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-abi-whitelists-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-core-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-cross-headers-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-debug-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-debug-core-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-debug-devel-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-debug-modules-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-debug-modules-extra-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-debug-modules-internal-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-devel-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-headers-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-modules-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-modules-extra-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-modules-internal-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-tools-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-tools-libs-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/kernel-tools-libs-devel-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/perf-4.19.90-25.34.v2101.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/python3-perf-4.19.90-25.34.v2101.ky10.aarch64.rpm kernel(x86_64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/bpftool-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-abi-whitelists-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-core-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-cross-headers-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-debug-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-debug-core-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-debug-devel-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-debug-modules-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-debug-modules-extra-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-debug-modules-internal-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-devel-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-headers-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-ipaclones-internal-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-modules-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-modules-extra-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-modules-internal-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-tools-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-tools-libs-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/kernel-tools-libs-devel-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/perf-4.19.90-25.34.v2101.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/python3-perf-4.19.90-25.34.v2101.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