CVE编号
CVE-2018-18445利用情况
暂无补丁情况
官方补丁披露时间
2018-10-18漏洞描述
在4.18.13之前的Linux内核4.14.x、4.15.x、4.16.x、4.17.x和4.18.x中，BPF验证器中数值界的错误计算允许超出范围的内存访问，因为在内核/bpf/verfier.c中adjust_scalar_min_max_vals不正确处理32-bit right shifts。 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：http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b799207e1e1816b09e7a5920fbb2d5fcf6edd681
参考链接 |
|
|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b79... | |
| https://access.redhat.com/errata/RHSA-2019:0512 | |
| https://access.redhat.com/errata/RHSA-2019:0514 | |
| https://bugs.chromium.org/p/project-zero/issues/detail?id=1686 | |
| https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.75 | |
| https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.13 | |
| https://github.com/torvalds/linux/commit/b799207e1e1816b09e7a5920fbb2d5fcf6edd681 | |
| https://support.f5.com/csp/article/K38456756 | |
| https://usn.ubuntu.com/3832-1/ | |
| https://usn.ubuntu.com/3835-1/ | |
| https://usn.ubuntu.com/3847-1/ | |
| https://usn.ubuntu.com/3847-2/ | |
| https://usn.ubuntu.com/3847-3/ |
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 | 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 | canonical | ubuntu_linux | 18.04 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | canonical | ubuntu_linux | 18.10 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | kernel | * |
Up to (excluding) 3.10.0-957.10.1.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
From (including) 4.14 |
Up to (excluding) 4.14.75 |
||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
From (including) 4.15 |
Up to (including) 4.15.18 |
||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
From (including) 4.16 |
Up to (including) 4.16.18 |
||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
From (including) 4.17 |
Up to (including) 4.17.9 |
||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
From (including) 4.18 |
Up to (excluding) 4.18.13 |
||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.0 | kernel | * |
Up to (excluding) 4.12.14-lp150.12.25.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle linux_7 | kernel | * |
Up to (excluding) 3.10.0-957.10.1.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | kernel | * |
Up to (excluding) 3.10.0-957.10.1.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_server | 7.6 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_server_aus | 7.6 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_server_eus | 7.6 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_server_tus | 7.6 | - | |||||
| 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) 0:3.10.0-957.10.1.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | kernel-rt | * |
Up to (excluding) 0:3.10.0-957.10.1.rt56.921.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12 | kernel-default-extra | * |
Up to (excluding) 4.12.14-120 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12_SP4 | kernel | * |
Up to (excluding) 4.12.14-6.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP4 | kernel | * |
Up to (excluding) 4.12.14-6.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | kernel | * |
Up to (excluding) 4.15.0-1036.38~14.04.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04_lts | linux | * |
Up to (excluding) 3.11.0-12.19 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | kernel | * |
Up to (excluding) 4.15.0-1036.38~16.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04_lts | linux | * |
Up to (excluding) 4.2.0-16.19 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | kernel | * |
Up to (excluding) 4.15.0-1031.33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04_lts | linux | * |
Up to (excluding) 4.15.0-43.46 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.10 | linux | * |
Up to (excluding) 4.18.0-12.13 |
|||||
- 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
还没有评论，来说两句吧...