{"id":"USN-3872-1","summary":"linux-hwe vulnerabilities","details":"It was discovered that a race condition existed in the vsock address family\nimplementation of the Linux kernel that could lead to a use-after-free\ncondition. A local attacker in a guest virtual machine could use this to\nexpose sensitive information (host machine kernel memory). (CVE-2018-14625)\n\nCfir Cohen discovered that a use-after-free vulnerability existed in the\nKVM implementation of the Linux kernel, when handling interrupts in\nenvironments where nested virtualization is in use (nested KVM\nvirtualization is not enabled by default in Ubuntu kernels). A local\nattacker in a guest VM could possibly use this to gain administrative\nprivileges in a host machine. (CVE-2018-16882)\n\nWei Wu discovered that the KVM implementation in the Linux kernel did not\nproperly ensure that ioapics were initialized. A local attacker could use\nthis to cause a denial of service (system crash). (CVE-2018-19407)\n\nIt was discovered that the crypto subsystem of the Linux kernel leaked\nuninitialized memory to user space in some situations. A local attacker\ncould use this to expose sensitive information (kernel memory).\n(CVE-2018-19854)\n","modified":"2026-02-10T04:41:28Z","published":"2019-01-29T02:54:09Z","related":["UBUNTU-CVE-2018-14625","UBUNTU-CVE-2018-16882","UBUNTU-CVE-2018-19407","UBUNTU-CVE-2018-19854"],"upstream":["CVE-2018-14625","CVE-2018-16882","CVE-2018-19407","CVE-2018-19854","UBUNTU-CVE-2018-14625","UBUNTU-CVE-2018-16882","UBUNTU-CVE-2018-19407","UBUNTU-CVE-2018-19854"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3872-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-14625"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-16882"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-19407"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-19854"}],"affected":[{"package":{"name":"linux-hwe","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/linux-hwe@4.18.0-14.15~18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-14.15~18.04.1"}]}],"versions":["4.18.0-13.14~18.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"block-modules-4.18.0-14-generic-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"block-modules-4.18.0-14-generic-lpae-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"block-modules-4.18.0-14-snapdragon-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"crypto-modules-4.18.0-14-generic-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"crypto-modules-4.18.0-14-generic-lpae-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"crypto-modules-4.18.0-14-snapdragon-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"dasd-extra-modules-4.18.0-14-generic-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"dasd-modules-4.18.0-14-generic-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"fat-modules-4.18.0-14-generic-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"fat-modules-4.18.0-14-generic-lpae-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"fat-modules-4.18.0-14-snapdragon-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"fb-modules-4.18.0-14-generic-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"firewire-core-modules-4.18.0-14-generic-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"floppy-modules-4.18.0-14-generic-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"fs-core-modules-4.18.0-14-generic-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"fs-core-modules-4.18.0-14-generic-lpae-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"fs-core-modules-4.18.0-14-snapdragon-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"fs-secondary-modules-4.18.0-14-generic-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"fs-secondary-modules-4.18.0-14-generic-lpae-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"fs-secondary-modules-4.18.0-14-snapdragon-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"input-modules-4.18.0-14-generic-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"input-modules-4.18.0-14-generic-lpae-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"input-modules-4.18.0-14-snapdragon-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"ipmi-modules-4.18.0-14-generic-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"ipmi-modules-4.18.0-14-generic-lpae-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"ipmi-modules-4.18.0-14-snapdragon-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"kernel-image-4.18.0-14-generic-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"kernel-image-4.18.0-14-generic-lpae-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"kernel-image-4.18.0-14-snapdragon-di","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"linux-buildinfo-4.18.0-14-generic","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"linux-buildinfo-4.18.0-14-generic-lpae","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"linux-buildinfo-4.18.0-14-lowlatency","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"linux-buildinfo-4.18.0-14-snapdragon","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"linux-cloud-tools-4.18.0-14-generic","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"linux-cloud-tools-4.18.0-14-lowlatency","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"linux-headers-4.18.0-14","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"linux-headers-4.18.0-14-generic","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"linux-headers-4.18.0-14-generic-lpae","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"linux-headers-4.18.0-14-lowlatency","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"linux-headers-4.18.0-14-snapdragon","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"linux-hwe-cloud-tools-4.18.0-14","binary_version":"4.18.0-14.15~18.04.1"},{"binary_name":"linux-hwe-t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required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2018-14625","severity":[{"score":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-16882","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-19407","severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-19854","severity":[{"score":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3872-1.json"}}],"schema_version":"1.7.3"}