中危 linux linux_kernel 内存缓冲区边界内操作的限制不恰当
CVE编号
CVE-2021-3612利用情况
暂无补丁情况
官方补丁披露时间
2021-07-09漏洞描述
An out-of-bounds memory write flaw was found in the Linux kernel's joystick devices subsystem in versions before 5.9-rc1, in the way the user calls ioctl JSIOCSBTNMAP. This flaw allows a local user to crash the system or possibly escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.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 | |||||||||
| 系统 | anolis_os_8 | kernel | * | Up to (excluding) 4.18 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | kernel | * | Up to (excluding) 4.18.0-372.9.1.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) 5.10.46-3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | linux | * | Up to (excluding) 5.10.46-3 | |||||
| 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) 5.10.46-3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedoraproject | fedora | 34 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | kernel | * | Up to (excluding) 5.12.17-300.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | kernel | * | Up to (excluding) 4.19.90-25.11.v2101.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | kernel | * | Up to (excluding) 4.19.90-25.11.v2101.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * | Up to (excluding) 5.9.0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | 5.9.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | kernel | * | Up to (excluding) 5.3.18-lp152.84.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | kernel | * | Up to (excluding) 5.3.18-59.19.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | kernel | * | Up to (excluding) 4.14.35-2047.507.7.4.el7uek | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | kernel | * | Up to (excluding) 4.18.0-372.9.1.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux | 7.0 | - | |||||
| 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 | kernel | * | Up to (excluding) 4.18.0-372.9.1.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | kernel | * | Up to (excluding) 4.12.14-122.80.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | linux-hwe-5.4 | * | Up to (excluding) 5.4.0-1023.24~18.04.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | linux | * | Up to (excluding) 4.15.0-156.163 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | linux-bluefield | * | Up to (excluding) 5.11.0-1018.19~20.04.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | linux | * | Up to (excluding) 5.11.0-1017.18 | |||||
- 攻击路径 本地
- 攻击复杂度 容易
- 权限要求 无需权限
- 影响范围 越权影响
- EXP成熟度 N/A
- 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-119 | 内存缓冲区边界内操作的限制不恰当 |
| CWE-20 | 输入验证不恰当 |
| CWE-787 | 跨界内存写 |
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