1.修復(fù)的CVE ·CVE-2022-41974 描述：設(shè)備映射多路徑存在漏洞。設(shè)備映射器多路徑允許本地用戶獲得根訪問權(quán)限，可以單獨(dú)使用，也可以與CVE-2022-41973結(jié)合使用。能夠?qū)懭險(xiǎn)NIX域套接字的本地用戶可以繞過訪問控制并操作多路徑設(shè)置。出現(xiàn)此問題是因?yàn)楣粽呖梢灾貜?fù)關(guān)鍵字，當(dāng)使用算術(shù)ADD而不是按位OR時(shí)，該關(guān)鍵字會被錯(cuò)誤處理。這可能導(dǎo)致本地權(quán)限升級到根權(quán)限。 2.受影響的軟件包 ·中標(biāo)麒麟高級服務(wù)器操作系統(tǒng) V7 ·aarch64架構(gòu): device-mapper-multipath、device-mapper-multipath-devel、device-mapper-multipath-libs、device-mapper-multipath-sysvinit、kpartx、libdmmp、libdmmp-devel ·x86_64架構(gòu): device-mapper-multipath、device-mapper-multipath-devel、device-mapper-multipath-libs、device-mapper-multipath-sysvinit、kpartx、libdmmp、libdmmp-devel ·銀河麒麟高級服務(wù)器操作系統(tǒng) V10 ·aarch64架構(gòu): device-mapper-multipath、device-mapper-multipath-devel、device-mapper-multipath-libs、device-mapper-multipath-sysvinit、kpartx、libdmmp、libdmmp-devel ·x86_64架構(gòu): device-mapper-multipath、device-mapper-multipath-devel、device-mapper-multipath-libs、device-mapper-multipath-sysvinit、kpartx、libdmmp、libdmmp-devel 3.軟件包修復(fù)版本 ·中標(biāo)麒麟高級服務(wù)器操作系統(tǒng) V7 (aarch64、x86_64) device-mapper-multipath-0.4.9-136.el7_9或以上版本 device-mapper-multipath-devel-0.4.9-136.el7_9或以上版本 device-mapper-multipath-libs-0.4.9-136.el7_9或以上版本 device-mapper-multipath-sysvinit-0.4.9-136.el7_9或以上版本 kpartx-0.4.9-136.el7_9或以上版本 libdmmp-0.4.9-136.el7_9或以上版本 libdmmp-devel-0.4.9-136.el7_9或以上版本 ·銀河麒麟高級服務(wù)器操作系統(tǒng) V10 (aarch64、x86_64) device-mapper-multipath-0.4.9-136.el7_9或以上版本 device-mapper-multipath-devel-0.4.9-136.el7_9或以上版本 device-mapper-multipath-libs-0.4.9-136.el7_9或以上版本 device-mapper-multipath-sysvinit-0.4.9-136.el7_9或以上版本 kpartx-0.4.9-136.el7_9或以上版本 libdmmp-0.4.9-136.el7_9或以上版本 libdmmp-devel-0.4.9-136.el7_9或以上版本 4.修復(fù)方法 方法一：配置源進(jìn)行升級安裝 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： 中標(biāo)麒麟高級服務(wù)器操作系統(tǒng) V7 aarch64:https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/ 銀河麒麟高級服務(wù)器操作系統(tǒng) V10 aarch64:https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/ 2.配置完成后執(zhí)行更新命令進(jìn)行升級，命令如下： yum update Packagename 方法二：下載安裝包進(jìn)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(jù)受影響的軟件包 列表進(jìn)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(wù)或操作系統(tǒng)： CVE-2022-41974:無需重啟操作系統(tǒng)與服務(wù)即可使漏洞修復(fù)生效。 5.軟件包下載地址 ·中標(biāo)麒麟高級服務(wù)器操作系統(tǒng) V7 device-mapper-multipath(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/device-mapper-multipath-0.4.9-136.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/device-mapper-multipath-devel-0.4.9-136.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/device-mapper-multipath-libs-0.4.9-136.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/device-mapper-multipath-sysvinit-0.4.9-136.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/kpartx-0.4.9-136.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/libdmmp-0.4.9-136.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/aarch64/Packages/libdmmp-devel-0.4.9-136.el7_9.aarch64.rpm device-mapper-multipath(x86_64)軟件包下載地址: https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/device-mapper-multipath-0.4.9-136.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/device-mapper-multipath-devel-0.4.9-136.el7_9.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/device-mapper-multipath-devel-0.4.9-136.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/device-mapper-multipath-libs-0.4.9-136.el7_9.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/device-mapper-multipath-libs-0.4.9-136.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/device-mapper-multipath-sysvinit-0.4.9-136.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/kpartx-0.4.9-136.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/libdmmp-0.4.9-136.el7_9.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/libdmmp-0.4.9-136.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/libdmmp-devel-0.4.9-136.el7_9.i686.rpm https://update.cs2c.com.cn/NS/V7/V7Update9/os/adv/lic/updates/x86_64/Packages/libdmmp-devel-0.4.9-136.el7_9.x86_64.rpm ·銀河麒麟高級服務(wù)器操作系統(tǒng) V10 device-mapper-multipath(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/device-mapper-multipath-0.4.9-136.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/device-mapper-multipath-devel-0.4.9-136.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/device-mapper-multipath-libs-0.4.9-136.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/device-mapper-multipath-sysvinit-0.4.9-136.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/kpartx-0.4.9-136.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/libdmmp-0.4.9-136.el7_9.aarch64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/aarch64/Packages/libdmmp-devel-0.4.9-136.el7_9.aarch64.rpm device-mapper-multipath(x86_64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/device-mapper-multipath-0.4.9-136.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/device-mapper-multipath-devel-0.4.9-136.el7_9.i686.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/device-mapper-multipath-devel-0.4.9-136.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/device-mapper-multipath-libs-0.4.9-136.el7_9.i686.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/device-mapper-multipath-libs-0.4.9-136.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/device-mapper-multipath-sysvinit-0.4.9-136.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/kpartx-0.4.9-136.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/libdmmp-0.4.9-136.el7_9.i686.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/libdmmp-0.4.9-136.el7_9.x86_64.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/libdmmp-devel-0.4.9-136.el7_9.i686.rpm https://update.cs2c.com.cn/NS/V10/V10-ZJ/os/adv/lic/updates/x86_64/Packages/libdmmp-devel-0.4.9-136.el7_9.x86_64.rpm 注：其他相關(guān)依賴包請到相同目錄下載 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