1.修复的CVE ·CVE-2023-4921 描述：Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在资源管理错误漏洞，该漏洞源于存在释放后重用漏洞，可以实现本地权限提升。 2.受影响的软件包 ·银河麒麟高级服务器操作系统 V10 SP3 ·aarch64架构: 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架构: 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.软件包修复版本 ·银河麒麟高级服务器操作系统 V10 SP3 (aarch64) bpftool-4.19.90-52.29.v2207.ky10或以上版本 kernel-4.19.90-52.29.v2207.ky10或以上版本 kernel-abi-whitelists-4.19.90-52.29.v2207.ky10或以上版本 kernel-core-4.19.90-52.29.v2207.ky10或以上版本 kernel-cross-headers-4.19.90-52.29.v2207.ky10或以上版本 kernel-debug-4.19.90-52.29.v2207.ky10或以上版本 kernel-debug-core-4.19.90-52.29.v2207.ky10或以上版本 kernel-debug-devel-4.19.90-52.29.v2207.ky10或以上版本 kernel-debug-modules-4.19.90-52.29.v2207.ky10或以上版本 kernel-debug-modules-extra-4.19.90-52.29.v2207.ky10或以上版本 kernel-debug-modules-internal-4.19.90-52.29.v2207.ky10或以上版本 kernel-devel-4.19.90-52.29.v2207.ky10或以上版本 kernel-doc-4.19.90-52.29.v2207.ky10或以上版本 kernel-headers-4.19.90-52.29.v2207.ky10或以上版本 kernel-modules-4.19.90-52.29.v2207.ky10或以上版本 kernel-modules-extra-4.19.90-52.29.v2207.ky10或以上版本 kernel-modules-internal-4.19.90-52.29.v2207.ky10或以上版本 kernel-tools-4.19.90-52.29.v2207.ky10或以上版本 kernel-tools-libs-4.19.90-52.29.v2207.ky10或以上版本 kernel-tools-libs-devel-4.19.90-52.29.v2207.ky10或以上版本 perf-4.19.90-52.29.v2207.ky10或以上版本 python3-perf-4.19.90-52.29.v2207.ky10或以上版本 ·银河麒麟高级服务器操作系统 V10 SP3 (x86_64) bpftool-4.19.90-52.29.v2207.ky10或以上版本 kernel-4.19.90-52.29.v2207.ky10或以上版本 kernel-abi-whitelists-4.19.90-52.29.v2207.ky10或以上版本 kernel-core-4.19.90-52.29.v2207.ky10或以上版本 kernel-cross-headers-4.19.90-52.29.v2207.ky10或以上版本 kernel-debug-4.19.90-52.29.v2207.ky10或以上版本 kernel-debug-core-4.19.90-52.29.v2207.ky10或以上版本 kernel-debug-devel-4.19.90-52.29.v2207.ky10或以上版本 kernel-debug-modules-4.19.90-52.29.v2207.ky10或以上版本 kernel-debug-modules-extra-4.19.90-52.29.v2207.ky10或以上版本 kernel-debug-modules-internal-4.19.90-52.29.v2207.ky10或以上版本 kernel-devel-4.19.90-52.29.v2207.ky10或以上版本 kernel-doc-4.19.90-52.29.v2207.ky10或以上版本 kernel-headers-4.19.90-52.29.v2207.ky10或以上版本 kernel-ipaclones-internal-4.19.90-52.29.v2207.ky10或以上版本 kernel-modules-4.19.90-52.29.v2207.ky10或以上版本 kernel-modules-extra-4.19.90-52.29.v2207.ky10或以上版本 kernel-modules-internal-4.19.90-52.29.v2207.ky10或以上版本 kernel-tools-4.19.90-52.29.v2207.ky10或以上版本 kernel-tools-libs-4.19.90-52.29.v2207.ky10或以上版本 kernel-tools-libs-devel-4.19.90-52.29.v2207.ky10或以上版本 perf-4.19.90-52.29.v2207.ky10或以上版本 python3-perf-4.19.90-52.29.v2207.ky10或以上版本 4.修复方法 方法一：配置源进行升级安装 1.打开软件包源配置文件，根据仓库地址进行修改。 仓库源地址： 银河麒麟高级服务器操作系统 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.配置完成后执行更新命令进行升级，命令如下： yum update Packagename 方法二：下载安装包进行升级安装 通过软件包地址下载软件包，使用软件包升级命令根据受影响的软件包 列表进行升级安装, 命令如下： yum install Packagename 3.升级完成后是否需要重启服务或操作系统： CVE-2023-4921:需要重启操作系统以使漏洞修复生效。 5.软件包下载地址 ·银河麒麟高级服务器操作系统 V10 SP3 kernel(aarch64)软件包下载地址: https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/bpftool-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-abi-whitelists-4.19.90-52.29.v2207.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-core-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-cross-headers-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-debug-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-debug-core-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-debug-devel-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-debug-modules-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-debug-modules-extra-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-debug-modules-internal-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-devel-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-doc-4.19.90-52.29.v2207.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-headers-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-modules-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-modules-extra-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-modules-internal-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-tools-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-tools-libs-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/kernel-tools-libs-devel-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/perf-4.19.90-52.29.v2207.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/aarch64/Packages/python3-perf-4.19.90-52.29.v2207.ky10.aarch64.rpm kernel(x86_64)软件包下载地址: https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/bpftool-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-abi-whitelists-4.19.90-52.29.v2207.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-core-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-cross-headers-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-debug-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-debug-core-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-debug-devel-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-debug-modules-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-debug-modules-extra-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-debug-modules-internal-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-devel-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-doc-4.19.90-52.29.v2207.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-headers-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-ipaclones-internal-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-modules-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-modules-extra-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-modules-internal-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-tools-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-tools-libs-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/kernel-tools-libs-devel-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/perf-4.19.90-52.29.v2207.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/x86_64/Packages/python3-perf-4.19.90-52.29.v2207.ky10.x86_64.rpm 注：其他相关依赖包请到相同目录下载 6.修复验证 使用软件包查询命令，查看相关软件包版本是否与修复版本一致，如果版本一致，则说明修复成功。 sudo rpm -qa | grep Packagename