1. 修復的CVE CVE-2022-3204 NLnet Labs Unbound是一款開源DNS服務器。 NLnet Labs Unbound 1.16.3 之前版本存在安全漏洞，該漏洞源于Unbound不會受到高CPU使用率的影響，但仍需要資源來解決惡意委托，會不斷嘗試解析記錄，直到達到硬限制。根據攻擊和回復的性質，可能會達到不同的限制。 2. 受影響的操作系統及軟件包 ·銀河麒麟桌面操作系統V10 SP1 x86_64 架構： libunbound8、python-unbound、python3-unbound、unbound-anchor、unbound-host、unbound arm64 架構： libunbound8、python-unbound、python3-unbound、unbound-anchor、unbound-host、unbound mips64el 架構： libunbound8、python-unbound、python3-unbound、unbound-anchor、unbound-host、unbound loongarch64 架構： libunbound8、python-unbound、python3-unbound、unbound-anchor、unbound-host、unbound 3. 軟件包修復版本 ·銀河麒麟桌面操作系統V10 SP1 1.9.4-2kylin1.4 4. 修復方法 方法一：升級安裝 執行更新命令進行升級 $sudo apt update $sudo apt install unbound 方法二：下載軟件包進行升級安裝 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升級相關的組件包。 $sudo dpkg -i /Path1/Package1 /Path2/Package2 /Path3/Package3…… 注：Path 指軟件包下載到本地的路徑，Package指下載的軟件包名稱，多個軟件包則以空格分開。 5. 軟件包下載地址 銀河麒麟桌面操作系統V10 SP1 x86_64軟件包下載地址 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軟件包下載地址 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軟件包下載地址 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軟件包下載地址 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. 修復驗證 使用軟件包查詢命令，查看相關的軟件包版本大于或等于修復版本則成功修復。 $sudo dpkg -l |grep Package 注：Package為軟件包包名。