1. 修復的CVE

·CVE-2022-20698

描述：Clam AntiVirus是ClamAV（Clamav）團隊的一款用于檢測木馬，病毒，惡意軟件和其他惡意威脅的開源殺毒引擎。Clam AntiVirus存在安全漏洞，該漏洞源于libjson-c / CL_SCAN_GENERAL_COLLECT_METADATA中存在處理異常，攻擊者可以利用該漏洞實現拒絕服務攻擊。

2. 受影響的軟件包

·銀河麒麟高級服務器操作系統 V10 SP2

aarch64架構:

clamav、clamav-data、clamav-devel、clamav-filesystem、clamav-help、clamav-milter、clamav-update、clamd

x86_64架構:

clamav、clamav-data、clamav-devel、clamav-filesystem、clamav-help、clamav-milter、clamav-update、clamd

3. 軟件包修復版本

·銀河麒麟高級服務器操作系統 V10 SP2

clamav-0.103.2-4.ky10

clamav-data-0.103.2-4.ky10

clamav-devel-0.103.2-4.ky10

clamav-filesystem-0.103.2-4.ky10

clamav-help-0.103.2-4.ky10

clamav-milter-0.103.2-4.ky10

clamav-update-0.103.2-4.ky10

clamd-0.103.2-4.ky10

4. 修復方法

方法一：配置源進行升級安裝

1. 打開軟件包源配置文件，根據倉庫地址進行修改。

倉庫源地址：

銀河麒麟高級服務器操作系統 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或操作系統：

·CVE-2022-20698：無需重啟操作系統與服務即可使漏洞修復生效。

5. 軟件包下載地址

·銀河麒麟高級服務器操作系統 V10 SP2

clamav（aarch64）軟件包下載地址:

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/clamav-0.103.2-4.ky10.aarch64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/clamav-data-0.103.2-4.ky10.noarch.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/clamav-devel-0.103.2-4.ky10.aarch64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/clamav-filesystem-0.103.2-4.ky10.noarch.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/clamav-help-0.103.2-4.ky10.aarch64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/clamav-milter-0.103.2-4.ky10.aarch64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/clamav-update-0.103.2-4.ky10.aarch64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/Packages/clamd-0.103.2-4.ky10.aarch64.rpm

clamav（x86_64）軟件包下載地址:

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/clamav-0.103.2-4.ky10.x86_64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/clamav-data-0.103.2-4.ky10.noarch.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/clamav-devel-0.103.2-4.ky10.x86_64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/clamav-filesystem-0.103.2-4.ky10.noarch.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/clamav-help-0.103.2-4.ky10.x86_64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/clamav-milter-0.103.2-4.ky10.x86_64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/clamav-update-0.103.2-4.ky10.x86_64.rpm

https://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/Packages/clamd-0.103.2-4.ky10.x86_64.rpm

注：其他相關依賴包請到相同目錄下載