CVE编号
CVE-2021-43976利用情况
暂无补丁情况
官方补丁披露时间
2021-11-29漏洞描述
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。KVM是其中的一个基于内核的虚拟机。 Linux kernel 5.15.2及更早版本存在安全漏洞，攻击者可利用该漏洞通过连接特制的usb设备造成拒绝服务。解决建议
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/
参考链接 |
|
|---|---|
| https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html | |
| https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://nvd.nist.gov/vuln/detail/CVE-2021-43976 | |
| https://patchwork.kernel.org/project/linux-wireless/patch/YX4CqjfRcTa6bVL+@Ze... | |
| https://security.netapp.com/advisory/ntap-20211210-0001/ | |
| https://www.debian.org/security/2022/dsa-5092 | |
| https://www.debian.org/security/2022/dsa-5096 |
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 | |||||||||
| 系统 | debian_10 | linux | * |
Up to (excluding) 4.19.232-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | linux | * |
Up to (excluding) 5.10.92-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | linux | * |
Up to (excluding) 5.15.15-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | linux | * |
Up to (excluding) 4.9.303-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | linux | * |
Up to (excluding) 5.15.15-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | linux | * |
Up to (excluding) 5.15.4-101.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | linux | * |
Up to (excluding) 5.15.4-201.fc35 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
Up to (including) 5.15.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | linux | * |
Up to (excluding) 5.3.18-38.34.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.4 | linux | * |
Up to (excluding) 4.12.14-197.105.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | linux | * |
Up to (excluding) 4.12.14-122.106.1 |
|||||
- 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 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
还没有评论，来说两句吧...