CVE编号
CVE-2021-32606利用情况
暂无补丁情况
没有补丁披露时间
2021-05-12漏洞描述
In the Linux kernel 5.11 through 5.12.2, isotp_setsockopt in net/can/isotp.c allows privilege escalation to root by leveraging a use-after-free. (This does not affect earlier versions that lack CAN ISOTP SF_BROADCAST support.)解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。
参考链接 |
|
|---|---|
| http://www.openwall.com/lists/oss-security/2021/05/12/1 | |
| http://www.openwall.com/lists/oss-security/2021/05/13/2 | |
| http://www.openwall.com/lists/oss-security/2021/05/14/1 | |
| http://www.openwall.com/lists/oss-security/2021/05/28/1 | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.netapp.com/advisory/ntap-20210625-0001/ | |
| https://www.openwall.com/lists/oss-security/2021/05/11/16 |
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 | fedoraproject | fedora | 32 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedoraproject | fedora | 33 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedoraproject | fedora | 34 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | linux-kvm | * |
Up to (excluding) 5.11.21-100.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | linux-kvm | * |
Up to (excluding) 5.11.21-200.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | linux-kvm | * |
Up to (excluding) 5.11.21-300.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
From (including) 5.11 |
Up to (excluding) 5.12.9 |
||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04.6_lts | linux | * |
Up to (excluding) 3.11.0-12.19 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | linux | * |
Up to (excluding) 4.13.0-16.19 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | linux-kvm | * |
Up to (excluding) 5.11.0-1008.8 |
|||||
- 攻击路径 本地
- 攻击复杂度 困难
- 权限要求 普通权限
- 影响范围 全局影响
- EXP成熟度 未验证
- 补丁情况 没有补丁
- 数据保密性 数据泄露
- 数据完整性 N/A
- 服务器危害 服务器失陷
- 全网数量 N/A
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