注： 1. 本公告所涉及的漏洞修復信息知識產權全部歸麒麟軟件有限公司所有，此安全漏洞補丁公告僅適用于麒麟軟件操作系統通用主線產品，定制、OEM等版本可根據需要聯系售后獲取支持。任何媒體、網站或個人轉載使用時不得進行商業性的原版原式的轉載，也不得歪曲和篡改所發布的內容。此聲明以及其修改權、更新權及最終解釋權均歸本網所有。 2. 此安全漏洞補丁公告僅適用于銀河麒麟桌面操作系統V10 SP1 2403 Update1版本，系統版本查詢工具下載鏈接： https://security-oss.kylinos.cn/Desktop/libkysdk-sysinfo.zip 1. 漏洞概述 CVE-2020-22054 FFmpeg是一套可錄制、轉換以及流化音視頻的完整解決方案。FFmpeg 4.2 存在安全漏洞，該漏洞源于dict.c中的av字典集函數存在內存泄漏。攻擊者可利用該漏洞進行拒絕服務攻擊。 CVE-2020-22049 FFmpeg是一套可錄制、轉換以及流化音視頻的完整解決方案。FFmpeg 4.2 版本中存在資源管理錯誤漏洞，該漏洞源于在wtvdec.c文件中的 wtvfile_open_sector function 存在內存泄漏。攻擊者可通過該漏洞導致拒絕服務。 CVE-2020-22046 FFmpeg是一套可錄制、轉換以及流化音視頻的完整解決方案。FFmpeg 4.2 存在安全漏洞，該漏洞源于libavutil float dsp.c中的avpriv float dsp allocl函數存在內存泄漏。攻擊者可利用該漏洞造成拒絕服務攻擊。 CVE-2020-22041 FFmpeg是FFmpeg（Ffmpeg）團隊的一套可錄制、轉換以及流化音視頻的完整解決方案。FFmpeg 4.2存在安全漏洞，該漏洞源于buffersrc 中的 av_buffersrc_add_frame_flags 函數存在內存泄漏。成功利用該漏洞可能會導致拒絕服務。 CVE-2020-22016 FFmpeg是一套可錄制、轉換以及流化音視頻的完整解決方案。FFmpeg 4.2版本存在安全漏洞，該漏洞源于libavcodec/get_bits.h中寫入.mov文件時存在基于堆的緩沖區溢出漏洞，這可能會導致內存損壞和其他潛在后果。 CVE-2020-20451 FFmpeg是一套可錄制、轉換以及流化音視頻的完整解決方案。FFmpeg 4.2 版本存在安全漏洞，該漏洞源于fftools/cmdutils.c的資源管理錯誤，從而導致拒絕服務。 CVE-2020-35964 FFmpeg是一套可錄制、轉換以及流化音視頻的完整解決方案。FFmpeg 4.3.1中存在安全漏洞。該漏洞源于libavformat / vividas.c中的track_header不正確的額外數據打包超出了范圍。 CVE-2021-28429 FFmpeg是一套可錄制、轉換以及流化音視頻的完整解決方案。FFmpeg 4.3.2版本存在安全漏洞，該漏洞源于libavutil/timecode.c 中的 av_timecode_make_string 中存在整數溢出漏洞，允許本地攻擊者通過精心設計的 .mov 文件造成拒絕服務 (DoS)。 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 2403 Update1 x86_64 架構： ffmpeg、libavcodec-extra58、libavcodec-extra、libavcodec58、libavdevice58、libavfilter-extra7、libavfilter-extra、libavfilter7、libavformat58、libavresample4、libavutil56、libpostproc55、libswresample3、libswscale5 arm64 架構： ffmpeg、libavcodec-extra58、libavcodec-extra、libavcodec58、libavdevice58、libavfilter-extra7、libavfilter-extra、libavfilter7、libavformat58、libavresample4、libavutil56、libpostproc55、libswresample3、libswscale5 sw64 架構： ffmpeg、libavcodec-extra58、libavcodec-extra、libavcodec58、libavdevice58、libavfilter-extra7、libavfilter-extra、libavfilter7、libavformat58、libavresample4、libavutil56、libpostproc55、libswresample3、libswscale5 loongarch64 架構： ffmpeg、libavcodec-extra58、libavcodec-extra、libavcodec58、libavdevice58、libavfilter-extra7、libavfilter-extra、libavfilter7、libavformat58、libavresample4、libavutil56、libpostproc55、libswresample3、libswscale5 3. 軟件包修復版本 ·銀河麒麟桌面操作系統V10 SP1 2403 Update1 7:4.2.2-1kylin1k23.8 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 ffmpeg 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 apt-get install /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 2403 Update1 x86_64軟件包下載地址 https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/ffmpeg_4.2.2-1kylin1k23.8_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavcodec-extra58_4.2.2-1kylin1k23.8_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavcodec-extra_4.2.2-1kylin1k23.8_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavcodec58_4.2.2-1kylin1k23.8_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavdevice58_4.2.2-1kylin1k23.8_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavfilter-extra7_4.2.2-1kylin1k23.8_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavfilter-extra_4.2.2-1kylin1k23.8_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavfilter7_4.2.2-1kylin1k23.8_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavformat58_4.2.2-1kylin1k23.8_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavresample4_4.2.2-1kylin1k23.8_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavutil56_4.2.2-1kylin1k23.8_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libpostproc55_4.2.2-1kylin1k23.8_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libswresample3_4.2.2-1kylin1k23.8_amd64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libswscale5_4.2.2-1kylin1k23.8_amd64.deb arm64軟件包下載地址 https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/ffmpeg_4.2.2-1kylin1k23.8_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavcodec-extra58_4.2.2-1kylin1k23.8_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavcodec-extra_4.2.2-1kylin1k23.8_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavcodec58_4.2.2-1kylin1k23.8_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavdevice58_4.2.2-1kylin1k23.8_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavfilter-extra7_4.2.2-1kylin1k23.8_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavfilter-extra_4.2.2-1kylin1k23.8_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavfilter7_4.2.2-1kylin1k23.8_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavformat58_4.2.2-1kylin1k23.8_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavresample4_4.2.2-1kylin1k23.8_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavutil56_4.2.2-1kylin1k23.8_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libpostproc55_4.2.2-1kylin1k23.8_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libswresample3_4.2.2-1kylin1k23.8_arm64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libswscale5_4.2.2-1kylin1k23.8_arm64.deb sw64軟件包下載地址 https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/ffmpeg_4.2.2-1kylin1k23.8_sw64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavcodec-extra58_4.2.2-1kylin1k23.8_sw64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavcodec-extra_4.2.2-1kylin1k23.8_sw64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavcodec58_4.2.2-1kylin1k23.8_sw64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavdevice58_4.2.2-1kylin1k23.8_sw64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavfilter-extra7_4.2.2-1kylin1k23.8_sw64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavfilter-extra_4.2.2-1kylin1k23.8_sw64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavfilter7_4.2.2-1kylin1k23.8_sw64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavformat58_4.2.2-1kylin1k23.8_sw64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavresample4_4.2.2-1kylin1k23.8_sw64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavutil56_4.2.2-1kylin1k23.8_sw64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libpostproc55_4.2.2-1kylin1k23.8_sw64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libswresample3_4.2.2-1kylin1k23.8_sw64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libswscale5_4.2.2-1kylin1k23.8_sw64.deb loongarch64軟件包下載地址 https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/ffmpeg_4.2.2-1kylin1k23.8_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavcodec-extra58_4.2.2-1kylin1k23.8_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavcodec-extra_4.2.2-1kylin1k23.8_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavcodec58_4.2.2-1kylin1k23.8_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavdevice58_4.2.2-1kylin1k23.8_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavfilter-extra7_4.2.2-1kylin1k23.8_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavfilter-extra_4.2.2-1kylin1k23.8_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavfilter7_4.2.2-1kylin1k23.8_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavformat58_4.2.2-1kylin1k23.8_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavresample4_4.2.2-1kylin1k23.8_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libavutil56_4.2.2-1kylin1k23.8_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libpostproc55_4.2.2-1kylin1k23.8_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libswresample3_4.2.2-1kylin1k23.8_loongarch64.deb https://archive.kylinos.cn/kylin/KYLIN-ALL/pool/universe/f/ffmpeg/libswscale5_4.2.2-1kylin1k23.8_loongarch64.deb 注：軟件包僅適用于銀河麒麟桌面操作系統V10 SP1 2403 Update1版本。 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。