CVE编号
CVE-2021-33909利用情况
暂无补丁情况
官方补丁披露时间
2021-07-21漏洞描述
Linux kernel是美国Linux美国基金会的开源操作系统Linux所使用的内核。它存在输入验证错误漏洞，该漏洞源于一个越界写入的缺陷。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://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
参考链接 |
|
|---|---|
| http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Fil... | |
| http://packetstormsecurity.com/files/163671/Kernel-Live-Patch-Security-Notice... | |
| http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice... | |
| http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice... | |
| http://www.openwall.com/lists/oss-security/2021/07/22/7 | |
| http://www.openwall.com/lists/oss-security/2021/08/25/10 | |
| http://www.openwall.com/lists/oss-security/2021/09/17/2 | |
| http://www.openwall.com/lists/oss-security/2021/09/17/4 | |
| http://www.openwall.com/lists/oss-security/2021/09/21/1 | |
| https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4 | |
| https://github.com/torvalds/linux/commit/8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b | |
| https://lists.debian.org/debian-lts-announce/2021/07/msg00014.html | |
| https://lists.debian.org/debian-lts-announce/2021/07/msg00015.html | |
| https://lists.debian.org/debian-lts-announce/2021/07/msg00016.html | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.netapp.com/advisory/ntap-20210819-0004/ | |
| https://www.debian.org/security/2021/dsa-4941 | |
| https://www.openwall.com/lists/oss-security/2021/07/20/1 | |
| https://www.oracle.com/security-alerts/cpujan2022.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 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | linux | * |
Up to (excluding) 1.0-20210722180115.al7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | linux | * |
Up to (excluding) 4.14.238-182.422.amzn2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | linux | * |
Up to (excluding) 4.14.238-125.422.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | linux | * |
Up to (excluding) 3.10.0-1160.36.2.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | linux | * |
Up to (excluding) 4.18.0-305.10.2.el8_4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 10.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 9.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | linux | * |
Up to (excluding) 4.19.194-3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | linux | * |
Up to (excluding) 4.9.272-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedoraproject | fedora | 34 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | linux | * |
Up to (excluding) 5.13.4-200.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
From (including) 3.16 |
Up to (excluding) 5.13.4 |
||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | linux | * |
Up to (excluding) 5.3.18-lp152.84.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | linux | * |
Up to (excluding) 4.12.14-197.99.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_6 | linux | * |
Up to (excluding) 4.1.12-124.53.5.el6uek |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | linux | * |
Up to (excluding) 4.14.35-2047.506.8.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | linux | * |
Up to (excluding) 4.18.0-305.10.2.el8_4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | kpatch-patch-3_10_0-1160 | * |
Up to (excluding) 0:1-7.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | linux | * |
Up to (excluding) 4_18_0-305_7_1-debugsource-1-1.el8_4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | linux | * |
Up to (excluding) 4.12.14-16.65.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | linux | * |
Up to (excluding) 4.4.0-212.244~14.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04.6_lts | linux | * |
Up to (excluding) 3.13.0-186.237 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | linux | * |
Up to (excluding) 4.15.0-1106.120~16.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | linux | * |
Up to (excluding) 4.15.0-1109.116 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | linux | * |
Up to (excluding) 5.8.0-63.71~20.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | linux | * |
Up to (excluding) 5.11.0-1014.15 |
|||||
- 攻击路径 远程
- 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 N/A
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