CVE编号
CVE-2020-35508利用情况
暂无补丁情况
官方补丁披露时间
2021-03-27漏洞描述
A flaw possibility of race condition and incorrect initialization of the process id was found in the Linux kernel child/parent process identification handling while filtering signal handlers. A local attacker is able to abuse this flaw to bypass checks to send any signal to a privileged 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。
参考链接 |
|
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1902724 | |
| https://github.com/torvalds/linux/commit/b4e00444cab4c3f3fec876dc0cccc8cbb0d1a948 | |
| https://security.netapp.com/advisory/ntap-20210513-0006/ |
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 | centos_8 | linux | * |
Up to (excluding) 4.18.0-305.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | linux | * |
Up to (excluding) 4.19.160-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | linux | * |
Up to (excluding) 4.9.246-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
Up to (excluding) 5.12 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | 5.12 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle linux_7 | linux | * |
Up to (excluding) 4.1.12-124.50.2.el7uek |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_6 | linux | * |
Up to (excluding) 4.1.12-124.50.2.el6uek |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | linux | * |
Up to (excluding) 4.1.12-124.50.2.el7uek |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | linux | * |
Up to (excluding) 4.18.0-305.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux | 8.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | linux | * |
Up to (excluding) 4.18.0-305.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | linux | * |
Up to (excluding) 4.4.0-198.230 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04_lts | linux | * |
Up to (excluding) 4.4.0-198.230 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | linux | * |
Up to (excluding) 5.4.0-1033.35~18.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04_lts | linux | * |
Up to (excluding) 4.15.0-129.132 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | linux | * |
Up to (excluding) 5.4.0-1034.35 |
|||||
- 攻击路径 远程
- 攻击复杂度 容易
- 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...