低危 qemu qemu 释放后使用
CVE编号
CVE-2020-35506利用情况
暂无补丁情况
官方补丁披露时间
2021-05-28漏洞描述
A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process.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 (excluding) 6.0.0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | qemu | * | Up to (excluding) 6.0.0-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | qemu | * | Up to (excluding) 6.0.0-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | qemu | * | Up to (excluding) 6.0.0-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | qemu | * | Up to (excluding) 6.0.0-r2 | |||||
| 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 (including) 5.2+dfsg-11+deb11u3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | qemu | * | Up to (excluding) 1:6.0+dfsg-3 | |||||
| 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) 1:6.0+dfsg-3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | qemu-lang | * | Up to (excluding) 4.2.1-lp152.9.20.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | qemu-s390 | * | Up to (excluding) 5.2.0-103.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | qemu | * | Up to (excluding) 3.1.1.1-57.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.10 | qemu | * | Up to (excluding) 1:6.0+dfsg-1~ubuntu3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.04 | qemu | * | Up to (excluding) 1:6.0+dfsg-1~ubuntu3 | |||||
- 攻击路径 远程
- 攻击复杂度 复杂
- 权限要求 普通权限
- 影响范围 有限影响
- EXP成熟度 未验证
- 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
| CWE-ID | 漏洞类型 |
| CWE-416 | 释放后使用 |
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