1. 修復的CVE CVE-2021-3544 QEMU一套模擬處理器軟件。該軟件具有速度快、跨平臺等特點。 QEMU 存在安全漏洞。該漏洞源于 vhost-user-gpu/vhost-user-gpu.c存在內存泄漏。以下產品及版本受到影響：QEMU: 5.0.0, 5.0.1, 5.1.0, 5.2.0, 6.0.0。 CVE-2021-20196 QEMU一套模擬處理器軟件。該軟件具有速度快、跨平臺等特點。 QEMU 存在代碼問題漏洞，該漏洞源于block: fdc: 空指針解引用導致客戶端崩潰。 CVE-2021-3713 QEMU一套模擬處理器軟件。該軟件具有速度快、跨平臺等特點。 QEMU UAS 中存在緩沖區錯誤漏洞，該漏洞源于產品未檢查訪客提供的號碼從而導致對UASDevice->data3 和 UASDevice->status3的越界訪問。攻擊者可通過該漏洞導致QEMU崩潰。 CVE-2021-3748 QEMU一套模擬處理器軟件。該軟件具有速度快、跨平臺等特點。 QEMU 存在資源管理錯誤漏洞，目前尚無此漏洞的更多信息，請隨時關注CNNVD或廠商公告。 CVE-2021-20203 QEMU一套模擬處理器軟件。該軟件具有速度快、跨平臺等特點。 QEMU 中存在輸入驗證錯誤漏洞。該漏洞源于攻擊者可通過QEMU的vmxnet3觸發整數溢出，以觸發拒絕服務，并可能在主機系統上運行代碼。 CVE-2021-3546 QEMU一套模擬處理器軟件。該軟件具有速度快、跨平臺等特點。 QEMU 存在緩沖區錯誤漏洞，該漏洞源于vhost-user-gpu/virgl.c的virgl_cmd_get_capset()函數存在邊界錯誤。 遠程攻擊者可利用該漏洞在系統上升級權限。以下產品及版本受到影響：QEMU: 4.1.0, 4.1.1, 4.2.0, 4.2.1, 5.0.0, 5.0.1, 5.1.0, 5.2.0, 6.0.0。 CVE-2021-3930 QEMU一套模擬處理器軟件。該軟件具有速度快、跨平臺等特點。 QEMU 存在安全漏洞，該漏洞可能允許攻擊者進行拒絕服務攻擊。 CVE-2022-0358 QEMU一套模擬處理器軟件。該軟件具有速度快、跨平臺等特點。 QEMU存在安全漏洞，該漏洞源于在QEMU virtio-fs共享文件系統守護進程(virtiofsd)實現中發現一個缺陷。攻擊者可利用該漏洞觸發CVE-2018-13405，以獲取敏感信息或可能升級其在系統上的權限。 CVE-2021-4158 QEMU一套模擬處理器軟件。該軟件具有速度快、跨平臺等特點。 QEMU 存在安全漏洞，該漏洞源于QEMU 網卡模擬器錯誤處理了某些值。客戶機內部的攻擊者可利用該漏洞導致QEMU崩潰，從而導致拒絕服務。 CVE-2021-3545 QEMU一套模擬處理器軟件。該軟件具有速度快、跨平臺等特點。 QEMU 存在信息泄露漏洞。該漏洞源于vhost-user-gpu/virgl.c中的virgl_cmd_get_capset_info()函數存在未初始化存儲器泄露，攻擊者可利用該漏洞獲取敏感信息。以下產品及版本受到影響：QEMU: 4.1.0, 4.1.1, 4.2.0, 4.2.1, 5.0.0, 5.0.1, 5.1.0, 5.2.0, 6.0.0。 CVE-2021-3682 QEMU一套模擬處理器軟件。該軟件具有速度快、跨平臺等特點。 QEMU 存在安全漏洞，該漏洞源于在6.1.0-rc2之前版本的QEMU的USB重定向設備模擬中發現了一個缺陷，在從SPICE客戶機進行批量傳輸期間，由于包隊列已滿而丟棄包時，就會發生這種情況。攻擊者可利用該漏洞使QEMU call free()帶有偽造的堆塊元數據，從而導致QEMU崩潰或可能使用主機上QEMU進程的特權執行代碼。 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： qemu-block-extra、qemu-guest-agent、qemu-kvm、qemu-system-arm、qemu-system-common、qemu-system-data、qemu-system-gui、qemu-system-loongarch64、qemu-system-mips、qemu-system-misc、qemu-system-ppc、qemu-system-s390x、qemu-system-sparc、qemu-system-x86-microvm、qemu-system-x86-xen、qemu-system-x86、qemu-system、qemu-user-binfmt、qemu-user-static、qemu-user、qemu-utils、qemu arm64 架構： qemu-block-extra、qemu-guest-agent、qemu-kvm、qemu-system-arm、qemu-system-common、qemu-system-data、qemu-system-gui、qemu-system-loongarch64、qemu-system-mips、qemu-system-misc、qemu-system-ppc、qemu-system-s390x、qemu-system-sparc、qemu-system-x86、qemu-system、qemu-user-binfmt、qemu-user-static、qemu-user、qemu-utils、qemu mips64el 架構： qemu-block-extra、qemu-guest-agent、qemu-system-arm、qemu-system-common、qemu-system-data、qemu-system-gui、qemu-system-loongarch64、qemu-system-mips、qemu-system-misc、qemu-system-ppc、qemu-system-sparc、qemu-system-x86、qemu-system、qemu-user-binfmt、qemu-user-static、qemu-user、qemu-utils、qemu loongarch64 架構： qemu-block-extra、qemu-guest-agent、qemu-system-arm、qemu-system-common、qemu-system-data、qemu-system-gui、qemu-system-loongarch64、qemu-system-mips、qemu-system-misc、qemu-system-ppc、qemu-system-sparc、qemu-system-x86、qemu-system、qemu-utils、qemu 3. 軟件包修復版本 ·銀河麒麟桌面操作系統V10 SP1 1:4.2-3kylin6.24k0.0 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 qemu 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/q/qemu/qemu-block-extra_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-guest-agent_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-kvm_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-arm_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-common_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-data_4.2-3kylin6.24k0.0_all.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-gui_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-loongarch64_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-mips_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-misc_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-ppc_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-s390x_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-sparc_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-x86-microvm_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-x86-xen_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-x86_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-user-binfmt_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-user-static_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-user_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-utils_4.2-3kylin6.24k0.0_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu_4.2-3kylin6.24k0.0_amd64.deb arm64軟件包下載地址 https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-block-extra_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-guest-agent_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-kvm_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-arm_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-common_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-data_4.2-3kylin6.24k0.0_all.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-gui_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-loongarch64_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-mips_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-misc_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-ppc_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-s390x_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-sparc_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-x86_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-user-binfmt_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-user-static_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-user_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-utils_4.2-3kylin6.24k0.0_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu_4.2-3kylin6.24k0.0_arm64.deb mips64el軟件包下載地址 https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-block-extra_4.2-3kylin6.24k0.0_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-guest-agent_4.2-3kylin6.24k0.0_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-arm_4.2-3kylin6.24k0.0_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-common_4.2-3kylin6.24k0.0_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-data_4.2-3kylin6.24k0.0_all.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-gui_4.2-3kylin6.24k0.0_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-loongarch64_4.2-3kylin6.24k0.0_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-mips_4.2-3kylin6.24k0.0_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-misc_4.2-3kylin6.24k0.0_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-ppc_4.2-3kylin6.24k0.0_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-sparc_4.2-3kylin6.24k0.0_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-x86_4.2-3kylin6.24k0.0_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system_4.2-3kylin6.24k0.0_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-user-binfmt_4.2-3kylin6.24k0.0_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-user-static_4.2-3kylin6.24k0.0_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-user_4.2-3kylin6.24k0.0_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-utils_4.2-3kylin6.24k0.0_mips64el.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu_4.2-3kylin6.24k0.0_mips64el.deb loongarch64軟件包下載地址 https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-block-extra_4.2-3kylin6.24k0.0_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-guest-agent_4.2-3kylin6.24k0.0_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-arm_4.2-3kylin6.24k0.0_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-common_4.2-3kylin6.24k0.0_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-data_4.2-3kylin6.24k0.0_all.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-gui_4.2-3kylin6.24k0.0_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-loongarch64_4.2-3kylin6.24k0.0_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-mips_4.2-3kylin6.24k0.0_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-misc_4.2-3kylin6.24k0.0_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-ppc_4.2-3kylin6.24k0.0_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-sparc_4.2-3kylin6.24k0.0_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system-x86_4.2-3kylin6.24k0.0_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-system_4.2-3kylin6.24k0.0_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu-utils_4.2-3kylin6.24k0.0_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/main/q/qemu/qemu_4.2-3kylin6.24k0.0_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。