低危 qemu qemu 不可达退出条件的循环（无限循环）
CVE编号
CVE-2020-14394利用情况
暂无补丁情况
官方补丁披露时间
2022-08-18漏洞描述
An infinite loop flaw was found in the USB xHCI controller emulation of QEMU while computing the length of the Transfer Request Block (TRB) Ring. This flaw allows a privileged guest user to hang the QEMU process on the host, resulting in a denial of service.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 应用 | fedoraproject | extra_packages_for_enterprise_linux | 7.0 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | qemu | qemu | 6.1.50 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | openstack_platform | 10.0 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | openstack_platform | 13.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | qemu | * | Up to (excluding) 1:3.1+dfsg-8+deb10u10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | qemu | * | Up to (excluding) 1:5.2+dfsg-11+deb11u3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | qemu | * | Up to (excluding) 1:7.1+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | qemu | * | Up to (including) 2.8+dfsg-6+deb9u9 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | qemu | * | Up to (excluding) 1:7.1+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_37 | qemu-system-m68k-core | * | Up to (excluding) 7.0.0-12.fc37 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP1 | qemu | * | Up to (excluding) 4.1.0-44.p05.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | qemu | * | Up to (excluding) 4.1.0-32.p09.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_loongarch64_V10SP1 | qemu-guest-agent | * | Up to (excluding) 4.2.0-34.8.p02.a.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP1 | qemu | * | Up to (excluding) 4.1.0-44.p05.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | qemu | * | Up to (excluding) 4.1.0-32.p09.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_5.3 | qemu-guest-agent | * | Up to (excluding) 6.2.0-150400.37.14.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.4 | qemu-ppc | * | Up to (excluding) 6.2.0-150400.37.14.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | qemu | * | Up to (excluding) 3.1.1.1-66.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | qemu | * | Up to (excluding) 2021-09-16 | |||||
- 攻击路径 本地
- 攻击复杂度 复杂
- 权限要求 无需权限
- 影响范围 有限影响
- EXP成熟度 N/A
- 补丁情况 官方补丁
- 数据保密性 N/A
- 数据完整性 传输被破坏
- 服务器危害 DoS
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-835 | 不可达退出条件的循环（无限循环） |
Exp相关链接
版权声明
本站原创文章转载请注明文章出处及链接，谢谢合作！
评论