Fedora: Security Advisory for xen (FEDORA-2021-0b7a484688)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Fedora: Security Advisory for xen (FEDORA-2021-80bbe7def0)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

CVE-2021-28702

creationtimestamp| type| source ---|---|--- 2021-10-06 18:31:59+00:00| seen| https://t.me/cibsecurity/30044...

CVE-2021-28702

CVE-2021-28702 concerns Xen PCI devices with Reserved Memory Regions (RMRR) not properly deassigned on guest shutdown, causing IOMMU page tables to be left referencing freed data structures and leading to unpredictable DMA/interrupt behavior (IOMMU faults or memory corruption). The issue is addre...

CVE-2021-28702

PCI devices with RMRRs not deassigned correctly Certain PCI devices in a system might be assigned Reserved Memory Regions specified via Reserved Memory Region Reporting, "RMRR". These are typically used for platform tasks such as legacy USB emulation. If such a device is passed through to a guest...