1. 修复的CVE CVE-2022-3204 NLnet Labs Unbound是一款开源DNS服务器。 NLnet Labs Unbound 1.16.3 之前版本存在安全漏洞，该漏洞源于Unbound不会受到高CPU使用率的影响，但仍需要资源来解决恶意委托，会不断尝试解析记录，直到达到硬限制。根据攻击和回复的性质，可能会达到不同的限制。 2. 受影响的操作系统及软件包 ·银河麒麟桌面操作系统V10 SP1 x86_64 架构： libunbound8、python-unbound、python3-unbound、unbound-anchor、unbound-host、unbound arm64 架构： libunbound8、python-unbound、python3-unbound、unbound-anchor、unbound-host、unbound mips64el 架构： libunbound8、python-unbound、python3-unbound、unbound-anchor、unbound-host、unbound loongarch64 架构： libunbound8、python-unbound、python3-unbound、unbound-anchor、unbound-host、unbound 3. 软件包修复版本 ·银河麒麟桌面操作系统V10 SP1 1.9.4-2kylin1.4 4. 修复方法 方法一：升级安装 执行更新命令进行升级 $sudo apt update $sudo apt install unbound 方法二：下载软件包进行升级安装 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升级相关的组件包。 $sudo dpkg -i /Path1/Package1 /Path2/Package2 /Path3/Package3…… 注：Path 指软件包下载到本地的路径，Package指下载的软件包名称，多个软件包则以空格分开。 5. 软件包下载地址 银河麒麟桌面操作系统V10 SP1 x86_64软件包下载地址 https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/libunbound8_1.9.4-2kylin1.4_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/python-unbound_1.9.4-2kylin1.4_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/python3-unbound_1.9.4-2kylin1.4_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/unbound-anchor_1.9.4-2kylin1.4_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/unbound-host_1.9.4-2kylin1.4_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/unbound_1.9.4-2kylin1.4_amd64.deb arm64软件包下载地址 https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/libunbound8_1.9.4-2kylin1.4_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/python-unbound_1.9.4-2kylin1.4_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/python3-unbound_1.9.4-2kylin1.4_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/unbound-anchor_1.9.4-2kylin1.4_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/unbound-host_1.9.4-2kylin1.4_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/unbound_1.9.4-2kylin1.4_arm64.deb mips64el软件包下载地址 https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/libunbound8_1.9.4-2kylin1.4_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/python-unbound_1.9.4-2kylin1.4_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/python3-unbound_1.9.4-2kylin1.4_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/unbound-anchor_1.9.4-2kylin1.4_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/unbound-host_1.9.4-2kylin1.4_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/unbound_1.9.4-2kylin1.4_mips64el.deb loongarch64软件包下载地址 https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/libunbound8_1.9.4-2kylin1.4_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/python-unbound_1.9.4-2kylin1.4_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/python3-unbound_1.9.4-2kylin1.4_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/unbound-anchor_1.9.4-2kylin1.4_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/unbound-host_1.9.4-2kylin1.4_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/u/unbound/unbound_1.9.4-2kylin1.4_loongarch64.deb 6. 修复验证 使用软件包查询命令，查看相关的软件包版本大于或等于修复版本则成功修复。 $sudo dpkg -l |grep Package 注：Package为软件包包名。