Mageia: Security Advisory (MGASA-2020-0333)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 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-2020-15852

An issue was discovered in the Linux kernel 5.5 through 5.7.9, as used in Xen through 4.13.x for x86 PV guests. An attacker may be granted the I/O port permissions of an unrelated task. This occurs because tssinvalidateiobitmap mishandling causes a loss of synchronization between the I/O bitmaps ...

CVE-2020-15852

CVE-2020-15852 affects Linux kernel 5.5–5.7.9 (and Xen via 4.13.x for x86 PV guests). The issue stems from mishandling of tss_invalidate_io_bitmap, causing desynchronization between TSS I/O bitmaps and Xen, which may let an attacker gain I/O port permissions of an unrelated task. Public advisorie...