Linux Distros Unpatched Vulnerability : CVE-2023-46837

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Arm provides multiple helpers to clean & invalidate the cache for a given region. This is, for instance, used when allocating guest memory to ensure any writes...

Fedora 38 : xen (2024-4b2cf8c375)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-4b2cf8c375 advisory. arm32: The cache may not be properly cleaned/invalidated take two XSA-447, CVE-2023-46837 pci: phantom functions assigned to incorrect contexts...

Fedora: Security Advisory for xen (FEDORA-2024-4b2cf8c375)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...

CVE-2023-46837

Arm provides multiple helpers to clean & invalidate the cache for a given region. This is, for instance, used when allocating guest memory to ensure any writes such as the ones during scrubbing have reached memory before handing over the page to a guest. Unfortunately, the arithmetics in the...

CVE-2023-46837 arm32: The cache may not be properly cleaned/invalidated (take two)

Arm provides multiple helpers to clean & invalidate the cache for a given region. This is, for instance, used when allocating guest memory to ensure any writes such as the ones during scrubbing have reached memory before handing over the page to a guest. Unfortunately, the arithmetics in the...

CVE-2023-46837

CVE-2023-46837 affects Xen on Arm. The vulnerability stems from overflow in cache-clean/invalidation helpers used during memory scrubbing, which can lead to undefined behavior and potential premature cache-write reordering, with no guarantee that writes reach memory before handing pages to guests...