vulnerability

Oracle Linux: CVE-2019-20808: ELSA-2021-9104: qemu security update (IMPORTANT) (Multiple Advisories)

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
Sep 13, 2019
Added
Mar 12, 2021
Modified
Dec 3, 2025

Description

In QEMU 4.1.0, an out-of-bounds read flaw was found in the ATI VGA implementation. It occurs in the ati_cursor_define() routine while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.
An out-of-bounds read flaw was found in the ATI VGA implementation of the QEMU emulator. This flaw occurs in the ati_cursor_define() routine while handling MMIO write operations through ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.

Solutions

oracle-linux-upgrade-ivshmem-toolsoracle-linux-upgrade-qemuoracle-linux-upgrade-qemu-block-glusteroracle-linux-upgrade-qemu-block-iscsioracle-linux-upgrade-qemu-block-rbdoracle-linux-upgrade-qemu-commonoracle-linux-upgrade-qemu-imgoracle-linux-upgrade-qemu-kvmoracle-linux-upgrade-qemu-kvm-coreoracle-linux-upgrade-qemu-system-aarch64oracle-linux-upgrade-qemu-system-aarch64-coreoracle-linux-upgrade-qemu-system-x86oracle-linux-upgrade-qemu-system-x86-core
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.