1.修復(fù)的CVE ·CVE-2021-41229 描述：BlueZ是一款使用C語言編寫的藍牙協(xié)議堆棧，它主要用于提供對核心藍牙層和協(xié)議的支持。BlueZ 存在資源管理錯誤漏洞，該漏洞源于在受影響的版本中，sdp的cstate alloc buf中存在一個漏洞，它分配的內(nèi)存總是掛起在cstate單鏈表中并且不會被釋放，隨著時間的推移這將導(dǎo)致內(nèi)存泄漏。攻擊者可利用該漏洞不斷發(fā)送sdp包造成的，最終可能導(dǎo)致目標設(shè)備的服務(wù)崩潰。 2.受影響的軟件包 ·銀河麒麟高級服務(wù)器操作系統(tǒng)（兼容版） V10 ·aarch64架構(gòu): bluez、bluez-cups、bluez-hid2hci、bluez-libs、bluez-libs-devel、bluez-obexd ·x86_64架構(gòu): bluez、bluez-cups、bluez-hid2hci、bluez-libs、bluez-libs-devel、bluez-obexd 3.軟件包修復(fù)版本 ·銀河麒麟高級服務(wù)器操作系統(tǒng)（兼容版） V10 (aarch64、x86_64) bluez-5.56-3.el8或以上版本 bluez-cups-5.56-3.el8或以上版本 bluez-hid2hci-5.56-3.el8或以上版本 bluez-libs-5.56-3.el8或以上版本 bluez-libs-devel-5.56-3.el8或以上版本 bluez-obexd-5.56-3.el8或以上版本 4.修復(fù)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(jù)倉庫地址進行修改。 倉庫源地址： 銀河麒麟高級服務(wù)器操作系統(tǒng)（兼容版） V10 aarch64:https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/ x86_64:https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/ 2.配置完成后執(zhí)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(jù)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(wù)或操作系統(tǒng)： CVE-2021-41229: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 ·銀河麒麟高級服務(wù)器操作系統(tǒng)（兼容版） V10 bluez(aarch64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/bluez-5.56-3.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/bluez-5.56-3.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/bluez-5.56-3.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/bluez-cups-5.56-3.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/bluez-cups-5.56-3.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/bluez-cups-5.56-3.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/bluez-hid2hci-5.56-3.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/bluez-hid2hci-5.56-3.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/bluez-hid2hci-5.56-3.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/bluez-libs-5.56-3.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/bluez-libs-5.56-3.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/bluez-libs-5.56-3.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/bluez-libs-devel-5.56-3.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/bluez-libs-devel-5.56-3.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/bluez-libs-devel-5.56-3.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/aarch64/Packages/bluez-obexd-5.56-3.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/aarch64/Packages/bluez-obexd-5.56-3.el8.aarch64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/aarch64/Packages/bluez-obexd-5.56-3.el8.aarch64.rpm bluez(x86_64)軟件包下載地址: https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/bluez-5.56-3.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/bluez-5.56-3.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/bluez-5.56-3.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/bluez-cups-5.56-3.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/bluez-cups-5.56-3.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/bluez-cups-5.56-3.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/bluez-hid2hci-5.56-3.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/bluez-hid2hci-5.56-3.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/bluez-hid2hci-5.56-3.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/bluez-libs-5.56-3.el8.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/bluez-libs-5.56-3.el8.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/bluez-libs-5.56-3.el8.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/bluez-libs-5.56-3.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/bluez-libs-5.56-3.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/bluez-libs-5.56-3.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/bluez-libs-devel-5.56-3.el8.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/bluez-libs-devel-5.56-3.el8.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/bluez-libs-devel-5.56-3.el8.i686.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/bluez-libs-devel-5.56-3.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/bluez-libs-devel-5.56-3.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/bluez-libs-devel-5.56-3.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/AppStream-updates/x86_64/Packages/bluez-obexd-5.56-3.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/BaseOS-updates/x86_64/Packages/bluez-obexd-5.56-3.el8.x86_64.rpm https://update.cs2c.com.cn/NS/V10/8U2/os/adv/lic/PowerTools-updates/x86_64/Packages/bluez-obexd-5.56-3.el8.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