Linux Distros 未修补的漏洞: CVE-2020-14394

low Nessus 插件 ID 223242

简介

Linux/Unix 主机上安装的一个或多个程序包存在漏洞,但供应商表示不会修补此漏洞。

描述

Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响,而供应商没有提供补丁程序。

- 在计算传输请求块 (TRB) 环的长度时,在 QEMU 的 USB xHCI 控制器仿真中发现无限循环缺陷。特权客户机用户可利用此缺陷造成主机上的 QEMU 进程挂起,从而导致拒绝服务。(CVE-2020-14394)

请注意,Nessus 依赖供应商报告的程序包是否存在进行判断。

解决方案

目前尚未有任何已知的解决方案。

另见

https://access.redhat.com/security/cve/cve-2020-14394

https://ubuntu.com/security/CVE-2020-14394

插件详情

严重性: Low

ID: 223242

文件名: unpatched_CVE_2020_14394.nasl

版本: 1.4

类型: local

代理: unix

系列: Misc.

发布时间: 2025/3/4

最近更新时间: 2025/9/10

支持的传感器: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

风险信息

VPR

风险因素: Low

分数: 2.4

CVSS v2

风险因素: Low

基本分数: 2.1

时间分数: 1.6

矢量: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P

CVSS 分数来源: CVE-2020-14394

CVSS v3

风险因素: Low

基本分数: 3.2

时间分数: 2.9

矢量: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L

时间矢量: CVSS:3.0/E:P/RL:O/RC:C

CVSS 分数来源: CVE-2020-14394

漏洞信息

CPE: p-cpe:/a:centos:centos:qemu-kvm-block-gluster, p-cpe:/a:centos:centos:qemu-kvm-block-iscsi, p-cpe:/a:centos:centos:qemu-kvm-common, p-cpe:/a:redhat:enterprise_linux:qemu-guest-agent, p-cpe:/a:centos:centos:qemu-kvm-docs, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-gpu-pci, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-ui-spice, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-rbd, p-cpe:/a:redhat:enterprise_linux:qemu-img, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-vga, p-cpe:/a:centos:centos:qemu-kvm-device-display-virtio-gpu-gl, p-cpe:/a:redhat:enterprise_linux:qemu-kiwi, p-cpe:/a:centos:centos:qemu-kvm-core, p-cpe:/a:redhat:enterprise_linux:qemu-kvm, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-usb-redirect, p-cpe:/a:centos:centos:qemu-kiwi, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-curl, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-usb-host, p-cpe:/a:centos:centos:qemu-kvm, p-cpe:/a:redhat:enterprise_linux:qemu-pr-helper, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-ui-opengl, p-cpe:/a:centos:centos:qemu-kvm-block-ssh, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-gpu-ccw, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:centos:centos:qemu-kvm-device-display-virtio-gpu-ccw, p-cpe:/a:centos:centos:qemu-kvm-device-display-virtio-gpu-pci, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-docs, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:qemu-kvm-device-display-virtio-vga, p-cpe:/a:centos:centos:qemu-guest-agent, p-cpe:/a:centos:centos:qemu-kvm-device-display-virtio-gpu, p-cpe:/a:centos:centos:qemu-kvm-block-rbd, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-gpu, p-cpe:/a:canonical:ubuntu_linux:qemu, p-cpe:/a:centos:centos:qemu-kvm-hw-usbredir, p-cpe:/a:centos:centos:qemu-kvm-tools, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-gpu-pci-gl, cpe:/a:redhat:advanced_virtualization:8::el8, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:centos:centos:qemu-kvm-block-blkio, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-core, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-ui-egl-headless, p-cpe:/a:centos:centos:qemu-kvm-ui-opengl, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-tests, p-cpe:/a:centos:centos:qemu-kvm-device-display-virtio-gpu-pci-gl, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-gpu-gl, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-iscsi, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-ssh, p-cpe:/a:centos:centos:qemu-kvm-device-usb-host, p-cpe:/a:centos:centos:qemu-kvm-audio-pa, p-cpe:/a:centos:centos:qemu-img, p-cpe:/a:centos:centos:qemu-kvm-block-curl, p-cpe:/a:centos:centos:qemu-kvm-device-display-virtio-vga-gl, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-gluster, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-hw-usbredir, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:centos:centos:qemu-kvm-ui-spice, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-block-blkio, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-device-display-virtio-vga-gl, p-cpe:/a:centos:centos:qemu-kvm-device-usb-redirect, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-tools, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-audio-pa, p-cpe:/a:centos:centos:qemu-kvm-tests, p-cpe:/a:centos:centos:qemu-kvm-ui-egl-headless, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-common, p-cpe:/a:centos:centos:qemu-pr-helper

必需的 KB 项: Host/OS/identifier, Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched

可利用: true

易利用性: Exploits are available

漏洞发布日期: 2022/8/17

参考资料信息

CVE: CVE-2020-14394