CVE编号
CVE-2021-3679利用情况
暂无补丁情况
官方补丁披露时间
2021-08-06漏洞描述
A lack of CPU resource in the Linux kernel tracing module functionality in versions prior to 5.14-rc3 was found in the way user uses trace ring buffer in a specific way. Only privileged local users (with CAP_SYS_ADMIN capability) could use this flaw to starve the resources causing 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。
参考链接 |
|
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1989165 | |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id... | |
| https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html | |
| https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html | |
| https://www.debian.org/security/2021/dsa-4978 |
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 | amazon_2 | linux | * |
Up to (excluding) 5.10.59-52.142.amzn2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | linux | * |
Up to (excluding) 4.14.248-129.473.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | linux | * |
Up to (excluding) 4.18.0-348.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | linux | * |
Up to (excluding) 4.19.208-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | linux | * |
Up to (excluding) 5.10.46-5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | linux | * |
Up to (excluding) 5.10.46-4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | linux | * |
Up to (excluding) 4.9.290-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | linux | * |
Up to (excluding) 5.10.46-4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
Up to (excluding) 5.14 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | 5.14 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | linux | * |
Up to (excluding) 5.3.18-lp152.87.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | linux | * |
Up to (excluding) 5.3.18-38.22.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | linux | * |
Up to (excluding) 4.14.35-2047.507.7.5.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | linux | * |
Up to (excluding) 4.18.0-348.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) 4.18.0-348.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | linux | * |
Up to (excluding) 4.12.14-16.73.1 |
|||||
- 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 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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