{"id":"LSN-0066-1","summary":"Kernel Live Patch Security Notice","details":"It was discovered that the virtual terminal implementation in the Linux\nkernel did not properly handle resize events. A local attacker could use\nthis to expose sensitive information. (CVE-2020-8647)\n\nIt was discovered that the virtual terminal implementation in the Linux\nkernel contained a race condition. A local attacker could possibly use this\nto cause a denial of service (system crash) or expose sensitive\ninformation. (CVE-2020-8648)\n\nIt was discovered that the virtual terminal implementation in the Linux\nkernel did not properly handle resize events. A local attacker could use\nthis to expose sensitive information. (CVE-2020-8649)","modified":"2025-12-15T10:21:43.352664Z","published":"2020-05-01T07:44:49Z","upstream":["CVE-2020-8647","CVE-2020-8648","CVE-2020-8649","UBUNTU-CVE-2020-8647","UBUNTU-CVE-2020-8648","UBUNTU-CVE-2020-8649"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/LSN-0066-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8647"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8648"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8649"}],"affected":[{"package":{"name":"linux-lts-xenial","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/linux-lts-xenial@4.4.0-178.208~14.04.1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-178.208~14.04.1"}]}],"versions":["4.4.0-13.29~14.04.1","4.4.0-14.30~14.04.2","4.4.0-15.31~14.04.1","4.4.0-18.34~14.04.1","4.4.0-21.37~14.04.1","4.4.0-22.39~14.04.1","4.4.0-22.40~14.04.1","4.4.0-24.43~14.04.1","4.4.0-28.47~14.04.1","4.4.0-31.50~14.04.1","4.4.0-34.53~14.04.1","4.4.0-36.55~14.04.1","4.4.0-38.57~14.04.1","4.4.0-42.62~14.04.1","4.4.0-45.66~14.04.1","4.4.0-47.68~14.04.1","4.4.0-51.72~14.04.1","4.4.0-53.74~14.04.1","4.4.0-57.78~14.04.1","4.4.0-59.80~14.04.1","4.4.0-62.83~14.04.1","4.4.0-63.84~14.04.2","4.4.0-64.85~14.04.1","4.4.0-66.87~14.04.1","4.4.0-67.88~14.04.1","4.4.0-70.91~14.04.1","4.4.0-71.92~14.04.1","4.4.0-72.93~14.04.1","4.4.0-75.96~14.04.1","4.4.0-78.99~14.04.2","4.4.0-79.100~14.04.1","4.4.0-81.104~14.04.1","4.4.0-83.106~14.04.1","4.4.0-87.110~14.04.1","4.4.0-89.112~14.04.1","4.4.0-91.114~14.04.1","4.4.0-92.115~14.04.1","4.4.0-93.116~14.04.1","4.4.0-96.119~14.04.1","4.4.0-97.120~14.04.1","4.4.0-98.121~14.04.1","4.4.0-101.124~14.04.1","4.4.0-103.126~14.04.1","4.4.0-104.127~14.04.1","4.4.0-108.131~14.04.1","4.4.0-109.132~14.04.1","4.4.0-111.134~14.04.1","4.4.0-112.135~14.04.1","4.4.0-116.140~14.04.1","4.4.0-119.143~14.04.1","4.4.0-121.145~14.04.1","4.4.0-124.148~14.04.1","4.4.0-127.153~14.04.1","4.4.0-128.154~14.04.1","4.4.0-130.156~14.04.1","4.4.0-131.157~14.04.1","4.4.0-133.159~14.04.1","4.4.0-134.160~14.04.1","4.4.0-135.161~14.04.1","4.4.0-137.163~14.04.1","4.4.0-138.164~14.04.1","4.4.0-139.165~14.04.1","4.4.0-140.166~14.04.1","4.4.0-141.167~14.04.1","4.4.0-142.168~14.04.1","4.4.0-143.169~14.04.2","4.4.0-144.170~14.04.1","4.4.0-146.172~14.04.1","4.4.0-148.174~14.04.1","4.4.0-150.176~14.04.1","4.4.0-151.178~14.04.1","4.4.0-154.181~14.04.1","4.4.0-157.185~14.04.1","4.4.0-159.187~14.04.1","4.4.0-161.189~14.04.1","4.4.0-164.192~14.04.1","4.4.0-165.193~14.04.1","4.4.0-166.195~14.04.1","4.4.0-168.197~14.04.1","4.4.0-169.198~14.04.1","4.4.0-170.199~14.04.1","4.4.0-171.200~14.04.1","4.4.0-173.203~14.04.1","4.4.0-174.204~14.04.1","4.4.0-176.206~14.04.1","4.4.0-177.207~14.04.1"],"ecosystem_specific":{"availability":"Livepatch 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