1. 修复的CVE

·CVE-2022-20698

描述：Clam AntiVirus是ClamAV（Clamav）团队的一款用于检测木马，病毒，恶意软件和其他恶意威胁的开源杀毒引擎。Clam AntiVirus存在安全漏洞，该漏洞源于libjson-c / CL_SCAN_GENERAL_COLLECT_METADATA中存在处理异常，攻击者可以利用该漏洞实现拒绝服务攻击。

2. 受影响的软件包

·银河麒麟高级服务器操作系统 V10 SP2

aarch64架构:

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

x86_64架构:

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

3. 软件包修复版本

·银河麒麟高级服务器操作系统 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. 修复方法

方法一：配置源进行升级安装

1. 打开软件包源配置文件，根据仓库地址进行修改。

仓库源地址：

银河麒麟高级服务器操作系统 V10 SP2

aarch64:http://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/aarch64/

x86_64:http://update.cs2c.com.cn/NS/V10/V10SP2/os/adv/lic/updates/x86_64/

2. 配置完成后执行更新命令进行升级，命令如下：

yum update Packagename

方法二：下载安装包进行升级安装

通过软件包地址下载软件包，使用软件包升级命令根据受影响的软件包列表进行升级安装,命令如下：

yum install Packagename

3. 升级完成后是否需要重启服务或操作系统：

·CVE-2022-20698：无需重启操作系统与服务即可使漏洞修复生效。

5. 软件包下载地址

·银河麒麟高级服务器操作系统 V10 SP2

clamav（aarch64）软件包下载地址:

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

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

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

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

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

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

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

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

clamav（x86_64）软件包下载地址:

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

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

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

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

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

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

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

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

注：其他相关依赖包请到相同目录下载