{"id":"USN-4465-1","summary":"linux-hwe, linux-aws-5.3, linux-azure-5.3, linux-gke-5.3  vulnerabilities","details":"It was discovered that the XFS file system implementation in the Linux\nkernel did not properly validate meta data in some circumstances. An\nattacker could use this to construct a malicious XFS image that, when\nmounted, could cause a denial of service. (CVE-2020-12655)\n\nIt 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. (CVE-2020-12771)\n\nKyungtae Kim discovered that the USB testing driver in the Linux kernel did\nnot properly deallocate memory on disconnect events. A physically proximate\nattacker could use this to cause a denial of service (memory exhaustion).\n(CVE-2020-15393)\n","modified":"2026-02-10T04:41:54Z","published":"2020-08-23T04:11:48Z","related":["UBUNTU-CVE-2020-12655","UBUNTU-CVE-2020-12771","UBUNTU-CVE-2020-15393","UBUNTU-CVE-2020-24394"],"upstream":["CVE-2020-12655","CVE-2020-12771","CVE-2020-15393","CVE-2020-24394","UBUNTU-CVE-2020-12655","UBUNTU-CVE-2020-12771","UBUNTU-CVE-2020-15393","UBUNTU-CVE-2020-24394"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4465-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12655"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12771"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-15393"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-24394"}],"affected":[{"package":{"name":"linux-aws-5.3","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/linux-aws-5.3@5.3.0-1033.35?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.0-1033.35"}]}],"versions":["5.3.0-1016.17~18.04.1","5.3.0-1017.18~18.04.1","5.3.0-1019.21~18.04.1","5.3.0-1023.25~18.04.1","5.3.0-1028.30~18.04.1","5.3.0-1030.32~18.04.1","5.3.0-1032.34~18.04.2"],"ecosystem_specific":{"availability":"No 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