{"id":"USN-4411-1","summary":"linux, linux-aws, inux-azure, linux-gcp, linux-kvm, linux-oracle, linux-raspi, linux-riscv vulnerabilities","details":"It was discovered that the elf handling code in the Linux kernel did not\ninitialize memory before using it in certain situations. A local attacker\ncould use this to possibly expose sensitive information (kernel memory).\n(CVE-2020-10732)\n\nMatthew Sheets discovered that the SELinux network label handling\nimplementation in the Linux kernel could be coerced into de-referencing a\nNULL pointer. A remote attacker could use this to cause a denial of service\n(system crash). (CVE-2020-10711)\n\nIt was discovered that the SCSI generic (sg) driver in the Linux kernel did\nnot properly handle certain error conditions correctly. A local privileged\nattacker could use this to cause a denial of service (system crash).\n(CVE-2020-12770)\n\nIt was discovered that the USB Gadget device driver in the Linux kernel did\nnot validate arguments passed from configfs in some situations. A local\nattacker could possibly use this to cause a denial of service (system\ncrash) or possibly expose sensitive information. (CVE-2020-13143)\n\nIt was discovered that the KVM implementation in the Linux kernel did not\nproperly deallocate memory on initialization for some processors. A local\nattacker could possibly use this to cause a denial of service.\n(CVE-2020-12768)\n","modified":"2026-02-10T04:41:52Z","published":"2020-07-06T19:29:23Z","related":["UBUNTU-CVE-2020-10711","UBUNTU-CVE-2020-10732","UBUNTU-CVE-2020-12768","UBUNTU-CVE-2020-12770","UBUNTU-CVE-2020-13143"],"upstream":["CVE-2020-10711","CVE-2020-10732","CVE-2020-12768","CVE-2020-12770","CVE-2020-13143","UBUNTU-CVE-2020-10711","UBUNTU-CVE-2020-10732","UBUNTU-CVE-2020-12768","UBUNTU-CVE-2020-12770","UBUNTU-CVE-2020-13143"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4411-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-10711"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-10732"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12768"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12770"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-13143"}],"affected":[{"package":{"name":"linux","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/linux@5.4.0-40.44?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.0-40.44"}]}],"versions":["5.3.0-18.19","5.3.0-24.26","5.4.0-9.12","5.4.0-18.22","5.4.0-21.25","5.4.0-24.28","5.4.0-25.29","5.4.0-26.30","5.4.0-28.32","5.4.0-29.33","5.4.0-31.35","5.4.0-33.37","5.4.0-37.41","5.4.0-39.43"],"ecosystem_specific":{"binaries":[{"binary_version":"5.4.0-40.44","binary_name":"block-modules-5.4.0-40-generic-di"},{"binary_version":"5.4.0-40.44","binary_name":"block-modules-5.4.0-40-generic-lpae-di"},{"binary_version":"5.4.0-40.44","binary_name":"crypto-modules-5.4.0-40-generic-di"},{"binary_version":"5.4.0-40.44","binary_name":"crypto-modules-5.4.0-40-generic-lpae-di"},{"binary_version":"5.4.0-40.44","binary_name":"dasd-extra-modules-5.4.0-40-generic-di"},{"binary_version":"5.4.0-40.44","binary_name":"dasd-modules-5.4.0-40-generic-di"},{"binary_version":"5.4.0-40.44","binary_name":"fat-modules-5.4.0-40-generic-di"},{"binary_version":"5.4.0-40.44","binary_name":"fat-modules-5.4.0-40-generic-lpae-di"},{"binary_version":"5.4.0-40.44","binary_name":"fb-modules-5.4.0-40-generic-di"},{"binary_version":"5.4.0-40.44","binary_name":"firewire-core-modules-5.4.0-40-generic-di"},{"binary_version":"5.4.0-40.44","binary_name":"floppy-modules-5.4.0-40-generic-di"},{"binary_version":"5.4.0-40.44","binary_name":"fs-core-modules-5.4.0-40-generic-di"},{"binary_version":"5.4.0-40.44","binary_name":"fs-core-modules-5.4.0-40-generic-lpae-di"},{"binary_version":"5.4.0-40.44","binary_name":"fs-secondary-modules-5.4.0-40-generic-di"},{"binary_version":"5.4.0-40.44","binary_name":"fs-secondary-modules-5.4.0-40-generic-lpae-di"},{"binary_version":"5.4.0-40.44","binary_name":"input-modules-5.4.0-40-generic-di"},{"binary_version":"5.4.0-40.44","binary_name":"input-modules-5.4.0-40-generic-lpae-di"},{"binary_version":"5.4.0-40.44","binary_name":"ipmi-modules-5.4.0-40-generic-di"},{"binary_version":"5.4.0-40.44","binary_name":"ipmi-modules-5.4.0-40-generic-lpae-di"},{"binary_version":"5.4.0-40.44","binary_name":"kernel-image-5.4.0-40-generic-di"},{"binary_version":"5.4.0-40.44","binary_name":"kernel-image-5.4.0-40-generic-lpae-di"},{"binary_version":"5.4.0-40.44","binary_name":"linux-buildinfo-5.4.0-40-generic"},{"binary_version":"5.4.0-40.44","binary_name":"linux-buildinfo-5.4.0-40-generic-lpae"},{"binary_version":"5.4.0-40.44","binary_name":"linux-buildinfo-5.4.0-40-lowlatency"},{"binary_version":"5.4.0-40.44","binary_name":"linux-cloud-tools-5.4.0-40"},{"binary_version":"5.4.0-40.44","binary_name":"linux-cloud-tools-5.4.0-40-generic"},{"binary_version":"5.4.0-40.44","binary_name":"linux-cloud-tools-5.4.0-40-lowlatency"},{"binary_version":"5.4.0-40.44","binary_name":"linux-cloud-tools-common"},{"binary_version":"5.4.0-40.44","binary_name":"linux-headers-5.4.0-40"},{"binary_version":"5.4.0-40.44","binary_name":"linux-headers-5.4.0-40-generic"},{"binary_version":"5.4.0-40.44","binary_name":"linux-headers-5.4.0-40-generic-lpae"},{"binary_version":"5.4.0-40.44","binary_name":"linux-headers-5.4.0-40-lowlatency"},{"binary_version":"5.4.0-40.44","binary_name":"linux-image-5.4.0-40-generic"},{"binary_version":"5.4.0-40.44","binary_name":"linux-image-5.4.0-40-generic-lpae"},{"binary_version":"5.4.0-40.44","binary_name":"linux-image-unsigned-5.4.0-40-generic"},{"binary_version":"5.4.0-40.44","binary_name":"linux-image-unsigned-5.4.0-40-lowlatency"},{"binary_version":"5.4.0-40.44","binary_name":"linux-libc-dev"},{"binary_version":"5.4.0-40.44","binary_name":"linux-modules-5.4.0-40-generic"},{"binary_version":"5.4.0-40.44","binary_name":"linux-modules-5.4.0-40-generic-lpae"},{"binary_version":"5.4.0-40.44","binary_name":"linux-modules-5.4.0-40-lowlatency"},{"binary_version":"5.4.0-40.44","binary_name":"linux-modules-extra-5.4.0-40-generic"},{"binary_version":"5.4.0-40.44","binary_name":"linux-source-5.4.0"},{"binary_version":"5.4.0-40.44","binary_name":"linux-tools-5.4.0-40"},{"binary_version":"5.4.0-40.44","binary_name":"linux-tools-5.4.0-40-generic"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