Ubuntu Security Notice 4021-1 - Daniel P. Berrangé discovered that libvirt incorrectly handled socket permissions. A local attacker could possibly use this issue to access libvirt. It was discovered that libvirt incorrectly performed certain permission checks. A remote attacker could possibly use this issue to access the guest agent and cause a denial of service. This issue only affected Ubuntu 19.04. Various other issues were also addressed.
934a653d6bbd7f060c475372db010848a881479984bb2a29d5ef50a9f397a99eRed Hat Security Advisory 2019-1455-01 - The Advanced Virtualization module provides the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Issues addressed include a CPU related vulnerability.
fb14c30b2b4b66950a7ad55fc835d08f356665ba897057d854fa2a630fade726Red Hat Security Advisory 2019-1268-01 - Kernel-based Virtual Machine offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems. Issues addressed include wrong permissions in systemd admin-sock due to a missing SocketMode parameter.
5e33374ee511a6177cb296ad8608ed8954c6b49e422a6eebd6589ddcc28816a0Red Hat Security Advisory 2019-1264-01 - The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. Issues addressed include wrong permissions in systemd admin-sock due to a missing SocketMode parameter.
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