CVE编号
CVE-2017-17862利用情况
暂无补丁情况
官方补丁披露时间
2017-12-28漏洞描述
Linux kernel through 4.14.8中的kernel / bpf / verifier.c忽略了无法访问的代码，即使它仍然由JIT编译器处理。此行为也被视为不正确的r branch-pruning logic问题，本地用户可能会使用此行为拒绝服务。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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c131187db2d3fa2f8bf32fdf4e9a4ef805168467
参考链接 |
|
|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c13... | |
| http://www.securityfocus.com/bid/102325 | |
| http://www.securitytracker.com/id/1040057 | |
| https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/a... | |
| https://github.com/torvalds/linux/commit/c131187db2d3fa2f8bf32fdf4e9a4ef805168467 | |
| https://usn.ubuntu.com/3619-1/ | |
| https://usn.ubuntu.com/3619-2/ | |
| https://usn.ubuntu.com/usn/usn-3523-2/ | |
| https://www.debian.org/security/2017/dsa-4073 | |
| https://www.spinics.net/lists/stable/msg206984.html |
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 | debian_linux | 9.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | linux | * |
Up to (excluding) 4.9.65-3+deb9u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_26 | linux | * |
Up to (excluding) 4.14.11-200.fc26 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_27 | linux | * |
Up to (excluding) 4.14.11-300.fc27 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
Up to (including) 4.14.8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.3 | linux | * |
Up to (excluding) 4.4.114-42.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12 | kernel-default-extra | * |
Up to (excluding) 4.12.14-94.41 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12_SP2 | linux | * |
Up to (excluding) 4.4.114-92.64.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12_SP3 | linux | * |
Up to (excluding) 4.4.114-94.11.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP2 | linux | * |
Up to (excluding) 4.4.114-92.64.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP3 | linux | * |
Up to (excluding) 4.4.114-94.11.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | linux | * |
Up to (excluding) 4.4.0-119.143~14.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04_lts | linux-aws | * |
Up to (excluding) 4.4.0-1016.16 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | linux | * |
Up to (excluding) 4.4.0-119.143 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04_lts | linux | * |
Up to (excluding) 4.4.0-119.143 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | linux | * |
Up to (excluding) 4.18.0-8.9~18.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04_lts | linux | * |
Up to (excluding) 4.13.0-25.29 |
|||||
- 攻击路径 本地
- 攻击复杂度 复杂
- 权限要求 普通权限
- 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 100
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