CVE编号
CVE-2018-13093利用情况
暂无补丁情况
官方补丁披露时间
2018-07-03漏洞描述
Linux kernel through 4.17.3的fs/xfs/xfs_icache.c中发现了一个问题。在lookup_slow()中，当对损坏的xfs映像执行路径遍历时，NULL inode->i_ops指针上有一个空指针取消引用和panic。这是因为在分配期间缓存的inode是空闲的，缺少适当的验证。解决建议
厂商已发布漏洞修复程序，请及时关注更新：https://github.com/torvalds/linux/commit/afca6c5b2595fc44383919fba740c194b0b76aff
参考链接 |
|
|---|---|
| https://access.redhat.com/errata/RHSA-2019:2029 | |
| https://access.redhat.com/errata/RHSA-2019:2043 | |
| https://bugzilla.kernel.org/show_bug.cgi?id=199367 | |
| https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git/commit/?h=for-next&id=afc... | |
| https://github.com/torvalds/linux/commit/afca6c5b2595fc44383919fba740c194b0b76aff | |
| https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html | |
| https://usn.ubuntu.com/4094-1/ | |
| https://usn.ubuntu.com/4118-1/ |
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 linux_2 | linux | * |
Up to (excluding) 4.14.59-68.43.amzn2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon linux_AMI | linux | * |
Up to (excluding) 4.14.59-64.43.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | linux | * |
Up to (excluding) 4.14.59-68.43.amzn2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | linux | * |
Up to (excluding) 4.14.59-64.43.amzn1 |
|||||
| 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) 4.9.210-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_27 | linux | * |
Up to (excluding) 4.17.5-100.fc27 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_28 | linux | * |
Up to (excluding) 4.17.5-200.fc28 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
Up to (including) 4.17.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.0 | linux | * |
Up to (excluding) 4.12.14-lp150.12.19.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.3 | linux | * |
Up to (excluding) 4.4.155-68.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle linux_7 | linux | * |
Up to (excluding) 3.10.0-1062.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | linux | * |
Up to (excluding) 3.10.0-1062.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | bpftool | * |
Up to (excluding) 0:3.10.0-1062.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | kernel-rt | * |
Up to (excluding) 0:3.10.0-1062.rt56.1022.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) 4.4.155-4.16.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP3 | linux | * |
Up to (excluding) 4.4.155-4.16.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | linux | * |
Up to (excluding) 4.4.0-201.233~14.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04_lts | linux-aws | * |
Up to (excluding) 4.4.0-1085.89 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | linux | * |
Up to (excluding) 4.15.0-1047.49~16.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04_lts | linux | * |
Up to (excluding) 4.4.0-201.233 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | linux | * |
Up to (excluding) 4.15.0-1042.42 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04_lts | linux | * |
Up to (excluding) 4.15.0-58.64 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04_lts | linux-azure | * |
Up to (excluding) 4.18.0-1011.11~18.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.10 | linux | * |
Up to (excluding) 4.17.0-9.10 |
|||||
- 攻击路径 本地
- 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 100
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