CVE编号
CVE-2021-32399利用情况
暂无补丁情况
官方补丁披露时间
2021-05-10漏洞描述
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 5.12.2版本存在安全漏洞。Linux 内核中net/bluetooth/hci_request.c具有删除HCI控制器的竞争条件。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://github.com/torvalds/linux/commit/e2cb6b891ad2b8caa9131e3be70f45243df82a80
参考链接 |
|
|---|---|
| http://www.openwall.com/lists/oss-security/2021/05/11/2 | |
| https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e2... | |
| https://github.com/torvalds/linux/commit/e2cb6b891ad2b8caa9131e3be70f45243df82a80 | |
| https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html | |
| https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html | |
| https://packetstormsecurity.com/files/163291/Ubuntu-Security-Notice-USN-5000-2.html | |
| https://security.netapp.com/advisory/ntap-20210622-0006/ | |
| https://www.auscert.org.au/bulletins/ESB-2021.2249 | |
| https://www.auscert.org.au/bulletins/ESB-2021.2711 |
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_2 | linux | * |
Up to (excluding) 4.14.238-182.421.amzn2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | linux | * |
Up to (excluding) 3.10.0-1160.41.1.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_10 | linux | * |
Up to (excluding) 4.19.194-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | linux | * |
Up to (excluding) 4.9.272-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
Up to (including) 5.12.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | linux | * |
Up to (excluding) 5.3.18-lp152.78.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | linux | * |
Up to (excluding) 5.3.18-38.3.1 |
|||||
| 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) 4.14.35-2047.505.4.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_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) 4.12.14-16.59.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | linux | * |
Up to (excluding) 4.15.0-1121.134~14.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04.6_lts | linux-azure | * |
Up to (excluding) 4.15.0-1121.134~14.04.1 |
|||||
| 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_18.04.5_lts | linux | * |
Up to (excluding) 4.15.0-149.153 |
|||||
| 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) 5.11.0-1012.13 |
|||||
- 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 N/A
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