SUSE: Security Advisory (SUSE-SU-2021:1268-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG 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-only ifdescription...

SUSE SLES12 Security Update : xen (SUSE-SU-2021:1268-1)

This update for xen fixes the following issues : CVE-2021-27379: Fixed an issue where entries in the IOMMU were not being updated under certain circumstances due to improper backport of XSA-321 XSA-366, bsc1182431 Fixed an issue where xenstored was crashing with segfault bsc1182155. Note that...

missed flush in XSA-321 backport

ISSUE DESCRIPTION An oversight was made when backporting XSA-321, leading entries in the IOMMU not being properly updated under certain circumstances. IMPACT A malicious guest may be able to retain read/write DMA access to frames returned to Xen's free pool, and later reused for another purpose...

Fedora 31 : xen (2020-76cf2b0f0a)

incorrect error handling in event channel port allocation leads to DoS XSA-317, CVE-2020-15566 1854465 inverted code paths in x86 dirty VRAM tracking leads to DoS XSA-319, CVE-2020-15563 1854463 xen: insufficient cache write-back under VT-d leads to DoS XSA-321, CVE-2020-15565 1854467 missing...

Fedora 32 : xen (2020-fbc13516af)

incorrect error handling in event channel port allocation leads to DoS XSA-317, CVE-2020-15566 1854465 inverted code paths in x86 dirty VRAM tracking leads to DoS XSA-319, CVE-2020-15563 1854463 xen: insufficient cache write-back under VT-d leads to DoS XSA-321, CVE-2020-15565 1854467 missing...