CVE编号
CVE-2018-7740利用情况
暂无补丁情况
官方补丁披露时间
2018-03-07漏洞描述
Linux kernel through 4.15.7的mm/hugetlb.c中的resv_map_release函数允许本地用户通过一个精心设计的应用程序导致拒绝服务(BUG)，该应用程序执行mmap系统调用，并且remap_file_pages系统调用有一个大的pgoff参数。解决建议
厂商尚未提供漏洞修复方案，请关注厂商主页更新：https://www.kernel.org/
参考链接 |
|
|---|---|
| http://www.securityfocus.com/bid/103316 | |
| https://access.redhat.com/errata/RHSA-2018:3083 | |
| https://access.redhat.com/errata/RHSA-2018:3096 | |
| https://bugzilla.kernel.org/show_bug.cgi?id=199037 | |
| https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html | |
| https://usn.ubuntu.com/3910-1/ | |
| https://usn.ubuntu.com/3910-2/ | |
| https://www.debian.org/security/2018/dsa-4187 | |
| https://www.debian.org/security/2018/dsa-4188 |
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 | |||||||||
| 应用 | redhat | virtualization_host | 4.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | canonical | ubuntu_linux | 14.04 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | canonical | ubuntu_linux | 16.04 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 7.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 8.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 9.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_7 | linux | * |
Up to (excluding) 3.2.101-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | linux | * |
Up to (excluding) 3.16.57-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | linux | * |
Up to (excluding) 4.9.88-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
Up to (including) 4.15.7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.3 | linux | * |
Up to (excluding) 4.4.126-48.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle linux_7 | linux | * |
Up to (excluding) 3.10.0-957.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | linux | * |
Up to (excluding) 3.10.0-957.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_desktop | 7.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_server | 7.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_workstation | 7.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | bpftool | * |
Up to (excluding) 0:3.10.0-957.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | kernel-rt | * |
Up to (excluding) 0:3.10.0-957.rt56.910.el7 |
|||||
| 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_SP3 | linux | * |
Up to (excluding) 4.4.126-94.22.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP3 | linux | * |
Up to (excluding) 4.4.126-94.22.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | linux | * |
Up to (excluding) 4.4.0-143.169~14.04.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04_lts | linux-aws | * |
Up to (excluding) 4.4.0-1039.42 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | linux | * |
Up to (excluding) 4.4.0-1041.47 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04_lts | linux | * |
Up to (excluding) 4.4.0-143.169 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | linux | * |
Up to (excluding) 4.15.0-1053.57 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04_lts | linux | * |
Up to (excluding) 4.15.0-15.16 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.10 | linux | * |
Up to (excluding) 4.15.0-20.21 |
|||||
- 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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