CVE编号
CVE-2021-3607利用情况
暂无补丁情况
官方补丁披露时间
2022-02-25漏洞描述
An integer overflow was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue occurs while handling a "PVRDMA_REG_DSRHIGH" write from the guest due to improper input validation. This flaw allows a privileged guest user to make QEMU allocate a large amount of memory, resulting in a denial of service. The highest threat from this vulnerability is to 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。
参考链接 |
|
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1973349 | |
| https://lists.gnu.org/archive/html/qemu-devel/2021-06/msg07925.html | |
| https://security.netapp.com/advisory/ntap-20220318-0002/ |
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 (excluding) 6.1.0 |
|||||
| 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) 5.2+dfsg-10 |
|||||
| 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) 5.2+dfsg-10 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | qemu | * |
Up to (excluding) 1.0.0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | qemu | * |
Up to (excluding) 4.2.1-11.25.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | qemu | * |
Up to (excluding) 4.2.1-11.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | qemu | * |
Up to (excluding) 1.2.2-1.module+el8.4.0+20319+6eb4347c |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | qemu | * |
Up to (excluding) 3.1.1.1-54.1 |
|||||
| 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 |
|||||
- 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 有限影响
- EXP成熟度 N/A
- 补丁情况 官方补丁
- 数据保密性 无影响
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 N/A
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