GLSA-202402-07 : Xen: Multiple Vulnerabilities

The remote host is affected by the vulnerability described in GLSA-202402-07 Xen: Multiple Vulnerabilities Multiple vulnerabilities have been discovered in Xen. Please review the CVE identifiers referenced below for details. Tenable has extracted the preceding description block directly from the...

CVE-2021-28703

grant table v2 status pages may remain accessible after de-allocation take two Guest get permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, get de-allocated whe...

CVE-2021-28703

grant table v2 status pages may remain accessible after de-allocation take two Guest get permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, get de-allocated whe...

CVE-2021-28703

CVE-2021-28703 describes a Xen hypervisor issue where grant table v2 status pages could remain accessible after de-allocation due to race conditions in guest mappings. The hypervisor tracks only a single use in guest space, so concurrent mapping requests could cause a page to be mapped in multipl...

SUSE: Security Advisory (SUSE-SU-2021:14848-1)

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...