低危 qemu qemu 跨界内存写
CVE编号
CVE-2021-3638利用情况
暂无补丁情况
官方补丁披露时间
2022-03-04漏洞描述
An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash 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 | qemu | qemu | * | From (including) 4.0.0 | Up to (including) 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) 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-6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | qemu | * | Up to (excluding) 1:6.1+dfsg-6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | fetchmail-debugsource | * | Up to (excluding) 6.4.20-1.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | fetchmail-debugsource | * | Up to (excluding) 6.4.20-1.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_36 | qemu-system-sh4-core | * | Up to (excluding) 6.2.0-17.fc36 | |||||
| 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_V10 | fetchmail | * | Up to (excluding) 4.1.0-63.hostos.p06.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP1 | qemu | * | Up to (excluding) 4.1.0-44.p06.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | qemu | * | Up to (excluding) 4.1.0-32.p10.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP3 | qemu | * | Up to (excluding) 4.1.0-63.p16.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_loongarch64_V10SP1 | qemu-guest-agent | * | Up to (excluding) 4.2.0-34.8.p05.a.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_loongarch64_V10SP3 | qemu | * | Up to (excluding) 4.1.0-63.p08.a.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10 | fetchmail | * | Up to (excluding) 4.1.0-63.hostos.p06.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP1 | qemu | * | Up to (excluding) 4.1.0-44.p06.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | qemu | * | Up to (excluding) 4.1.0-32.p10.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP3 | qemu | * | Up to (excluding) 4.1.0-63.p16.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.4 | qemu-s390 | * | Up to (excluding) 6.2.0-150400.37.23.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | oraclelinux-release | * | Up to (excluding) 4.2.1-24.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 1.40.2-28.0.4.module+el8.7.0+20894+2d7709ab | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_e | qemu | * | Up to (excluding) qemu-4.1.0-75.up2.uel20 | |||||
- 攻击路径 远程
- 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 未验证
- 补丁情况 官方补丁
- 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 |
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