CVE编号
CVE-2017-7472利用情况
暂无补丁情况
官方补丁披露时间
2017-05-12漏洞描述
在Linux内核中发现一个漏洞，其中keyctl_set_reqkey_keyring（）函数泄漏了线程密钥环。这允许没有特权的本地用户耗尽内核内存，其导致DoS。解决建议
用户可参考如下厂商提供的安全补丁以修复该漏洞：http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9f838d104fed6f2f61d68164712e3204bf5271b
http://openwall.com/lists/oss-security/2017/05/11/1
https://bugzilla.novell.com/show_bug.cgi?id=1034862
https://github.com/torvalds/linux/commit/c9f838d104fed6f2f61d68164712e3204bf5271b
https://lkml.org/lkml/2017/4/1/235
https://lkml.org/lkml/2017/4/3/724https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.13
参考链接 |
|
|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9f... | |
| http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html | |
| http://openwall.com/lists/oss-security/2017/05/11/1 | |
| http://www.securityfocus.com/bid/98422 | |
| http://www.securitytracker.com/id/1038471 | |
| https://access.redhat.com/errata/RHSA-2018:0151 | |
| https://access.redhat.com/errata/RHSA-2018:0152 | |
| https://access.redhat.com/errata/RHSA-2018:0181 | |
| https://bugzilla.novell.com/show_bug.cgi?id=1034862 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1442086 | |
| https://github.com/torvalds/linux/commit/c9f838d104fed6f2f61d68164712e3204bf5271b | |
| https://lkml.org/lkml/2017/4/1/235 | |
| https://lkml.org/lkml/2017/4/3/724 | |
| https://www.exploit-db.com/exploits/42136/ | |
| https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.13 |
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 | centos_7 | linux | * |
Up to (excluding) 3.10.0-693.17.1.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian | DPKG | * |
Up to (excluding) 4.9.25-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_7 | linux | * |
Up to (excluding) 3.2.88-1 |
|||||
| 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 | linux | linux_kernel | * |
Up to (including) 4.10.12 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle linux_7 | linux | * |
Up to (excluding) 3.10.0-693.17.1.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | linux | * |
Up to (excluding) 3.10.0-693.17.1.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | kernel | * |
Up to (excluding) 0:3.10.0-693.17.1.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | kernel-rt | * |
Up to (excluding) 0:3.10.0-693.17.1.rt56.636.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_11_SP4 | linux | * |
Up to (excluding) 3.0.101-108.21.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12 | kernel-ec2 | * |
Up to (excluding) 3.12.74-60.64.110 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_11_SP4 | linux | * |
Up to (excluding) 3.0.101-108.21.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | linux | * |
Up to (excluding) 3.13.0-132.181 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04_lts | linux | * |
Up to (excluding) 3.13.0-132.181 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | linux | * |
Up to (excluding) 4.4.0-1018.27 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04_lts | linux | * |
Up to (excluding) 4.4.0-79.100 |
|||||
- 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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