vulnerability

Ubuntu: (Multiple Advisories) (CVE-2020-14364): QEMU vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
Aug 31, 2020
Added
Sep 18, 2020
Modified
Aug 18, 2025

Description

An out-of-bounds read/write access flaw was found in the USB emulator of the QEMU in versions before 5.2.0. This issue occurs while processing USB packets from a guest when USBDevice 'setup_len' exceeds its 'data_buf[4096]' in the do_token_in, do_token_out routines. This flaw allows a guest user to crash the QEMU process, resulting in a denial of service, or the potential execution of arbitrary code with the privileges of the QEMU process on the host.

Solutions

ubuntu-pro-upgrade-qemuubuntu-pro-upgrade-qemu-block-extraubuntu-pro-upgrade-qemu-guest-agentubuntu-pro-upgrade-qemu-kvmubuntu-pro-upgrade-qemu-systemubuntu-pro-upgrade-qemu-system-aarch64ubuntu-pro-upgrade-qemu-system-armubuntu-pro-upgrade-qemu-system-commonubuntu-pro-upgrade-qemu-system-mipsubuntu-pro-upgrade-qemu-system-miscubuntu-pro-upgrade-qemu-system-ppcubuntu-pro-upgrade-qemu-system-s390xubuntu-pro-upgrade-qemu-system-sparcubuntu-pro-upgrade-qemu-system-x86ubuntu-pro-upgrade-qemu-system-x86-microvmubuntu-pro-upgrade-qemu-system-x86-xenubuntu-pro-upgrade-qemu-userubuntu-pro-upgrade-qemu-user-binfmtubuntu-pro-upgrade-qemu-user-staticubuntu-pro-upgrade-qemu-utils
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