{"id":"USN-4462-1","summary":"linux-gke-5.0, linux-oem-osp1 vulnerability","details":"It was discovered that the bcache subsystem in the Linux kernel did not\nproperly release a lock in some error conditions. A local attacker could\npossibly use this to cause a denial of service.\n","modified":"2026-04-27T15:39:43.791684Z","published":"2020-08-18T04:25:56Z","related":["UBUNTU-CVE-2020-12771"],"upstream":["CVE-2020-12771","UBUNTU-CVE-2020-12771"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4462-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12771"}],"affected":[{"package":{"name":"linux-gke-5.0","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/linux-gke-5.0@5.0.0-1046.47?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.0-1046.47"}]}],"versions":["5.0.0-1011.11~18.04.1","5.0.0-1013.13~18.04.1","5.0.0-1015.15~18.04.1","5.0.0-1017.17~18.04.1","5.0.0-1020.20~18.04.1","5.0.0-1022.22~18.04.3","5.0.0-1023.23~18.04.2","5.0.0-1025.26~18.04.1","5.0.0-1026.27~18.04.2","5.0.0-1027.28~18.04.1","5.0.0-1029.30~18.04.1","5.0.0-1030.31","5.0.0-1032.33","5.0.0-1033.34","5.0.0-1035.36","5.0.0-1037.38","5.0.0-1042.43","5.0.0-1043.44","5.0.0-1045.46"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"linux-buildinfo-5.0.0-1046-gke","binary_version":"5.0.0-1046.47"},{"binary_name":"linux-gke-5.0-headers-5.0.0-1046","binary_version":"5.0.0-1046.47"},{"binary_name":"linux-gke-5.0-tools-5.0.0-1046","binary_version":"5.0.0-1046.47"},{"binary_name":"linux-headers-5.0.0-1046-gke","binary_version":"5.0.0-1046.47"},{"binary_name":"linux-image-unsigned-5.0.0-1046-gke","binary_version":"5.0.0-1046.47"},{"binary_name":"linux-modules-5.0.0-1046-gke","binary_version":"5.0.0-1046.47"},{"binary_name":"linux-modules-extra-5.0.0-1046-gke","binary_version":"5.0.0-1046.47"},{"binary_name":"linux-tools-5.0.0-1046-gke","binary_version":"5.0.0-1046.47"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2020-12771"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4462-1.json"}},{"package":{"name":"linux-oem-osp1","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/linux-oem-osp1@5.0.0-1067.72?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.0-1067.72"}]}],"versions":["5.0.0-1010.11","5.0.0-1012.13","5.0.0-1015.16","5.0.0-1018.20","5.0.0-1020.22","5.0.0-1022.24","5.0.0-1024.27","5.0.0-1025.28","5.0.0-1027.31","5.0.0-1028.32","5.0.0-1030.34","5.0.0-1033.38","5.0.0-1037.42","5.0.0-1039.44","5.0.0-1040.45","5.0.0-1043.48","5.0.0-1046.51","5.0.0-1047.52","5.0.0-1050.55","5.0.0-1052.57","5.0.0-1059.64","5.0.0-1062.67","5.0.0-1063.68","5.0.0-1065.70"],"ecosystem_specific":{"availability":"No subscription 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