1.修復(fù)的漏洞 ·CVE-2023-50387 描述：DNS協(xié)議的某些DNSSEC方面（在RFC 4033、4034、4035、6840和相關(guān)RFC中）允許遠(yuǎn)程攻擊者通過一個(gè)或多個(gè)DNSSEC響應(yīng)（也稱為KeyTrap問題）造成拒絕服務(wù)（CPU消耗）。其中一個(gè)問題是，當(dāng)存在具有許多DNSKEY和RRSIG記錄的區(qū)域時(shí)，協(xié)議規(guī)范意味著算法必須評(píng)估DNSKEY和RSMIG記錄的所有組合。 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 SP1 ·aarch64架構(gòu): systemd-help、systemd-udev-compat、systemd-udev、systemd-journal-remote、systemd-devel、systemd-container、systemd、systemd-libs ·mips64el架構(gòu): systemd-help、systemd-udev-compat、systemd-udev、systemd-journal-remote、systemd-devel、systemd-container、systemd、systemd-libs ·x86_64架構(gòu): systemd-udev-compat、systemd-help、systemd-udev、systemd-journal-remote、systemd-devel、systemd-container、systemd、systemd-libs ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP2 ·aarch64架構(gòu): systemd-help、systemd-udev-compat、systemd-udev、systemd-journal-remote、systemd-devel、systemd-container、systemd、systemd-libs ·x86_64架構(gòu): systemd-help、systemd-udev-compat、systemd-udev、systemd-journal-remote、systemd-devel、systemd-container、systemd、systemd-libs 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 SP1 (aarch64、mips64el、x86_64) systemd-container-243-31.se.p20.ky10或以上版本 systemd-help-243-31.se.p20.ky10或以上版本 systemd-devel-243-31.se.p20.ky10或以上版本 systemd-libs-243-31.se.p20.ky10或以上版本 systemd-udev-243-31.se.p20.ky10或以上版本 systemd-udev-compat-243-31.se.p20.ky10或以上版本 systemd-journal-remote-243-31.se.p20.ky10或以上版本 systemd-243-31.se.p20.ky10或以上版本 ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP2 (aarch64、x86_64) systemd-container-243-31.se.p20.ky10或以上版本 systemd-help-243-31.se.p20.ky10或以上版本 systemd-devel-243-31.se.p20.ky10或以上版本 systemd-libs-243-31.se.p20.ky10或以上版本 systemd-udev-243-31.se.p20.ky10或以上版本 systemd-udev-compat-243-31.se.p20.ky10或以上版本 systemd-journal-remote-243-31.se.p20.ky10或以上版本 systemd-243-31.se.p20.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)倉庫地址進(jìn)行修改。 倉庫源地址： 銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP1 aarch64:https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/ mips64el:https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/ x86_64:https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/ 銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) 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(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-2023-50387:需要重啟 systemd 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 SP1 systemd(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/systemd-libs-243-31.se.p20.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/systemd-journal-remote-243-31.se.p20.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/systemd-help-243-31.se.p20.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/systemd-devel-243-31.se.p20.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/systemd-container-243-31.se.p20.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/systemd-243-31.se.p20.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/systemd-udev-243-31.se.p20.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/aarch64/Packages/systemd-udev-compat-243-31.se.p20.ky10.aarch64.rpm systemd(mips64el)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/systemd-help-243-31.se.p20.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/systemd-container-243-31.se.p20.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/systemd-devel-243-31.se.p20.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/systemd-243-31.se.p20.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/systemd-libs-243-31.se.p20.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/systemd-udev-compat-243-31.se.p20.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/systemd-journal-remote-243-31.se.p20.ky10.mips64el.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/mips64el/Packages/systemd-udev-243-31.se.p20.ky10.mips64el.rpm systemd(x86_64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/systemd-udev-243-31.se.p20.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/systemd-libs-243-31.se.p20.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/systemd-journal-remote-243-31.se.p20.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/systemd-help-243-31.se.p20.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/systemd-udev-compat-243-31.se.p20.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/systemd-devel-243-31.se.p20.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/systemd-243-31.se.p20.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP1.1/os/adv/lic/updates/x86_64/Packages/systemd-container-243-31.se.p20.ky10.x86_64.rpm ·銀河麒麟高級(jí)服務(wù)器操作系統(tǒng) V10 SP2 systemd(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/systemd-libs-243-31.se.p20.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/systemd-journal-remote-243-31.se.p20.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/systemd-container-243-31.se.p20.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/systemd-help-243-31.se.p20.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/systemd-243-31.se.p20.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/systemd-devel-243-31.se.p20.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/systemd-udev-compat-243-31.se.p20.ky10.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/systemd-udev-243-31.se.p20.ky10.aarch64.rpm systemd(x86_64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/systemd-libs-243-31.se.p20.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/systemd-journal-remote-243-31.se.p20.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/systemd-help-243-31.se.p20.ky10.noarch.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/systemd-devel-243-31.se.p20.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/systemd-container-243-31.se.p20.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/systemd-243-31.se.p20.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/systemd-udev-compat-243-31.se.p20.ky10.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/systemd-udev-243-31.se.p20.ky10.x86_64.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，則說明修復(fù)成功。 sudo rpm -qa | grep Packagename