中危 qemu qemu 跨界内存写
CVE编号
CVE-2021-3546利用情况
暂无补丁情况
没有补丁披露时间
2021-06-02漏洞描述
A flaw was found in vhost-user-gpu of QEMU in versions up to and including 6.0. An out-of-bounds write vulnerability can allow a malicious guest to crash the QEMU process on the host resulting in a denial of service or potentially execute arbitrary code on the host with the privileges of the QEMU process. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.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 | qemu | qemu | * | Up to (including) 6.0.0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | qemu | * | Up to (excluding) 6.1.0-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | qemu | * | Up to (excluding) 6.1.0-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | qemu | * | Up to (excluding) 6.1.0-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | qemu | * | Up to (excluding) 6.1.0-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | qemu | * | Up to (excluding) 3.1+dfsg-8+deb10u8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | qemu | * | Up to (excluding) 1:5.2+dfsg-11+deb11u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | qemu | * | Up to (excluding) 1:6.1+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | qemu | * | Up to (excluding) 1:2.8+dfsg-6+deb9u4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | qemu | * | Up to (excluding) 1:6.1+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | qemu | * | Up to (excluding) 4.1.0-32.p08.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | qemu | * | Up to (excluding) 4.1.0-32.p08.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | qemu-lang | * | Up to (excluding) 4.2.1-lp152.9.16.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | qemu-hw-display-virtio-gpu-pci | * | Up to (excluding) 5.2.0-20.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | oraclelinux-release | * | Up to (excluding) 4.2.1-11.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libvirt-daemon-driver-storage-gluster | * | Up to (excluding) 1.16.2-4.0.1.module+el8.4.0+20319+6eb4347c | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | qemu | * | Up to (excluding) 1:4.2-3ubuntu6.17 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | qemu | * | Up to (excluding) 1:5.2+dfsg-9ubuntu3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.10 | qemu | * | Up to (excluding) 1:6.0+dfsg-2expubuntu1.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.04 | qemu | * | Up to (excluding) 1:6.2+dfsg-2ubuntu5 | |||||
- 攻击路径 本地
- 攻击复杂度 容易
- 权限要求 管控权限
- 影响范围 全局影响
- EXP成熟度 N/A
- 补丁情况 没有补丁
- 数据保密性 数据泄露
- 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-787 | 跨界内存写 |
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