中危 linux layer_2_tunneling_protocol 使用共享资源的并发执行不恰当同步问题（竞争条件）
CVE编号
CVE-2022-4129利用情况
暂无补丁情况
官方补丁披露时间
2022-11-29漏洞描述
A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service.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。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 | linux | layer_2_tunneling_protocol | * | Up to (excluding) 6.0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | kernel | * | Up to (excluding) 4.19.91-27.2.al7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | kernel | * | Up to (excluding) 5.4.231-137.341.amzn2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_7 | kernel | * | Up to (excluding) 4.19 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8 | kernel | * | Up to (excluding) 4.18 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | kernel | * | Up to (excluding) 4.18.0-477.10.1.el8_8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | linux | * | Up to (including) 4.19.249-2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | linux | * | Up to (excluding) 5.10.178-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | linux | * | Up to (excluding) 6.1.4-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | linux | * | Up to (excluding) 6.1.4-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | kernel | * | Up to (excluding) 6.0.11-100.fc35 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_36 | kernel | * | Up to (excluding) 6.0.11-200.fc36 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_37 | kernel | * | Up to (excluding) 6.0.11-300.fc37 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP1 | kernel | * | Up to (excluding) 4.19.90-23.31.v2101.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | kernel | * | Up to (excluding) 4.19.90-25.23.v2101.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP3 | kernel | * | Up to (excluding) 4.19.90-52.18.v2207.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP1 | kernel | * | Up to (excluding) 4.19.90-23.31.v2101.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | kernel | * | Up to (excluding) 4.19.90-25.23.v2101.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP3 | kernel | * | Up to (excluding) 4.19.90-52.18.v2207.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_5.2 | kernel | * | Up to (excluding) 5.3.18-150300.59.106.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | kernel | * | Up to (excluding) 5.3.18-150300.59.106.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.4 | dtb-al | * | Up to (excluding) 5.14.21-150400.24.38.1.150400.24.13.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | kernel | * | Up to (excluding) 5.4.17-2136.318.7.1.el8uek | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | kernel | * | Up to (excluding) 4.18.0-477.10.1.el8_8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_9 | kernel | * | Up to (excluding) 5.14.0-284.11.1.el9_2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | kernel | * | Up to (excluding) 4.18.0-477.10.1.el8_8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_9 | kernel | * | Up to (excluding) 5.14.0-284.11.1.el9_2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | kernel | * | Up to (excluding) 4.12.14-122.153.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | linux-hwe-5.4 | * | Up to (excluding) 5.4.0-1083.94~18.04.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | linux-bluefield | * | Up to (excluding) 5.4.0-1106.112 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.04 | linux-bluefield | * | Up to (excluding) 5.15.0-1018.23 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.10 | linux | * | Up to (excluding) 5.19.0-1025.26 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_e | kernel | * | Up to (excluding) 4.19.90-2212.1.0.0180.26.uel20 | |||||
- 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 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
| CWE-ID | 漏洞类型 |
| CWE-362 | 使用共享资源的并发执行不恰当同步问题（竞争条件） |
| CWE-476 | 空指针解引用 |
| CWE-667 | 加锁机制不恰当 |
Exp相关链接
版权声明
本站原创文章转载请注明文章出处及链接，谢谢合作！
评论