1.修復(fù)的CVE ·CVE-2021-4028 描述：Linux kernel 5.15 rc1之前版本存在資源管理錯(cuò)誤漏洞，該漏洞源于RDMA listen（）函數(shù)的釋放后使用錯(cuò)誤。攻擊者可利用該漏洞運(yùn)行精心編制的程序來(lái)觸發(fā)釋放后使用錯(cuò)誤，并以提升的權(quán)限執(zhí)行任意代碼。 2.受影響的軟件包 ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP3 ·loongarch64架構(gòu): kernel-doc、kernel-kdump、kernel-tools、kernel-kdump-modules、kernel-kdump-modules-internal、kernel-kdump-modules-extra、perf、kernel-devel、bpftool、kernel、kernel-modules-internal、kernel-headers、kernel-modules、python3-perf、kernel-abi-whitelists、kernel-modules-extra、kernel-core、kernel-kdump-core、kernel-cross-headers、kernel-kdump-devel 3.軟件包修復(fù)版本 ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP3 (loongarch64) kernel-4.19.90-52.25.v2207.a.ky10或以上版本 kernel-headers-4.19.90-52.25.v2207.a.ky10或以上版本 kernel-kdump-core-4.19.90-52.25.v2207.a.ky10或以上版本 kernel-kdump-modules-4.19.90-52.25.v2207.a.ky10或以上版本 kernel-modules-extra-4.19.90-52.25.v2207.a.ky10或以上版本 kernel-cross-headers-4.19.90-52.25.v2207.a.ky10或以上版本 kernel-abi-whitelists-4.19.90-52.25.v2207.a.ky10或以上版本 kernel-kdump-devel-4.19.90-52.25.v2207.a.ky10或以上版本 kernel-tools-4.19.90-52.25.v2207.a.ky10或以上版本 bpftool-4.19.90-52.25.v2207.a.ky10或以上版本 perf-4.19.90-52.25.v2207.a.ky10或以上版本 python3-perf-4.19.90-52.25.v2207.a.ky10或以上版本 kernel-modules-4.19.90-52.25.v2207.a.ky10或以上版本 kernel-core-4.19.90-52.25.v2207.a.ky10或以上版本 kernel-devel-4.19.90-52.25.v2207.a.ky10或以上版本 kernel-kdump-modules-extra-4.19.90-52.25.v2207.a.ky10或以上版本 kernel-doc-4.19.90-52.25.v2207.a.ky10或以上版本 kernel-kdump-modules-internal-4.19.90-52.25.v2207.a.ky10或以上版本 kernel-modules-internal-4.19.90-52.25.v2207.a.ky10或以上版本 kernel-kdump-4.19.90-52.25.v2207.a.ky10或以上版本 4.修復(fù)方法 方法一：配置源進(jìn)行升級(jí)安裝 1.打開軟件包源配置文件，根據(jù)倉(cāng)庫(kù)地址進(jìn)行修改。 倉(cāng)庫(kù)源地址： 銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP3 loongarch64:https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/ 2.配置完成后執(zhí)行更新命令進(jìn)行升級(jí)，命令如下： yum update Packagename 方法二：下載安裝包進(jìn)行升級(jí)安裝 通過(guò)軟件包地址下載軟件包，使用軟件包升級(jí)命令根據(jù)受影響的軟件包 列表進(jìn)行升級(jí)安裝, 命令如下： yum install Packagename 3.升級(jí)完成后是否需要重啟服務(wù)或操作系統(tǒng)： CVE-2021-4028:需要重啟操作系統(tǒng)以使漏洞修復(fù)生效。 5.軟件包下載地址 ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) 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/kernel-modules-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-tools-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-doc-4.19.90-52.25.v2207.a.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-headers-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/perf-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-kdump-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-devel-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-modules-extra-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-modules-internal-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/python3-perf-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-kdump-core-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/bpftool-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-abi-whitelists-4.19.90-52.25.v2207.a.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-kdump-modules-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-kdump-modules-extra-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-core-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-cross-headers-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-kdump-modules-internal-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP3/os/adv/lic/updates/loongarch64/Packages/kernel-kdump-devel-4.19.90-52.25.v2207.a.ky10.loongarch64.rpm 注：其他相關(guān)依賴包請(qǐng)到相同目錄下載 6.修復(fù)驗(yàn)證 使用軟件包查詢命令，查看相關(guān)軟件包版本是否與修復(fù)版本一致，如果版本一致，則說(shuō)明修復(fù)成功。 sudo rpm -qa | grep Packagename