CVE编号
CVE-2020-10751利用情况
暂无补丁情况
官方补丁披露时间
2020-05-27漏洞描述
在5.7版之前的Linux kernels SELinux LSM hook实现中发现了一个漏洞，错误地认为skb只包含一个netlink消息。钩子将错误地只验证skb中的第一条netlink消息，并允许或拒绝skb中具有已授予权限的其余消息，而无需进一步处理。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=fb73974172ffaaf57a7c42f35424d9aece1a5af6
参考链接 |
|
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html | |
| http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html | |
| http://www.openwall.com/lists/oss-security/2020/05/27/3 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10751 | |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id... | |
| https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html | |
| https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html | |
| https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html | |
| https://lore.kernel.org/selinux/CACT4Y+b8HiV6KFuAPysZD=5hmyO4QisgxCKi4DHU3CfM... | |
| https://usn.ubuntu.com/4389-1/ | |
| https://usn.ubuntu.com/4390-1/ | |
| https://usn.ubuntu.com/4391-1/ | |
| https://usn.ubuntu.com/4412-1/ | |
| https://usn.ubuntu.com/4413-1/ | |
| https://www.debian.org/security/2020/dsa-4698 | |
| https://www.debian.org/security/2020/dsa-4699 | |
| https://www.openwall.com/lists/oss-security/2020/04/30/5 | |
| https://www.oracle.com/security-alerts/cpuApr2021.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 | |||||||||
| 应用 | kernel | selinux | * |
Up to (excluding) 5.7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | linux | * |
Up to (excluding) 4.19.91-21.al7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | linux | * |
Up to (excluding) 4.14.181-140.257.amzn2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | linux | * |
Up to (excluding) 4.14.181-108.257.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | linux | * |
Up to (excluding) 4.18.0-240.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | linux | * |
Up to (excluding) 4.19.118-2+deb10u1 |
|||||
| 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+deb9u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | linux | * |
Up to (excluding) 4.12.14-lp151.28.52.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | linux | * |
Up to (excluding) 5.3.18-lp152.26.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_6 | linux | * |
Up to (excluding) 4.1.12-124.43.4.el6uek |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | linux | * |
Up to (excluding) 4.1.12-124.43.4.el7uek |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | linux | * |
Up to (excluding) 5.4.17-2011.6.2.el8uek |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | linux | * |
Up to (excluding) 4.18.0-240.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP4 | linux | * |
Up to (excluding) 4.12.14-6.43.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | linux | * |
Up to (excluding) 4.12.14-16.16.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | linux | * |
Up to (excluding) 4.15.0-1089.99~14.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | linux | * |
Up to (excluding) 4.4.0-1109.120 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | linux | * |
Up to (excluding) 5.3.0-1030.32~18.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | linux | * |
Up to (excluding) 5.4.0-1015.15 |
|||||
- 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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