中危 linux linux_kernel 内存缓冲区边界内操作的限制不恰当
CVE编号
CVE-2022-3640利用情况
暂无补丁情况
官方补丁披露时间
2022-10-21漏洞描述
A vulnerability, which was classified as critical, was found in Linux Kernel. Affected is the function l2cap_conn_del of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211944.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 | |||||||||
| 系统 | debian_10 | linux | * | Up to (excluding) 4.19.269-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | linux | * | Up to (excluding) 5.10.158-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | linux | * | Up to (excluding) 6.0.8-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | linux | * | Up to (excluding) 6.0.8-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | kernel | * | Up to (excluding) 6.0.8-100.fc35 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_36 | kernel | * | Up to (excluding) 6.0.8-200.fc36 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_37 | kernel | * | Up to (excluding) 6.0.8-300.fc37 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | kernel | * | Up to (excluding) 4.19.90-25.22.v2101.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | kernel | * | Up to (excluding) 4.19.90-25.22.v2101.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | - | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_5.2 | kernel | * | Up to (excluding) 5.3.18-150300.59.101.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | kernel | * | Up to (excluding) 5.3.18-150300.59.101.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.4 | dtb-al | * | Up to (excluding) 5.14.21-150400.24.33.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | kernel | * | Up to (excluding) 4.14.35-2047.522.3.el7uek | |||||
| 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_9 | kernel | * | Up to (excluding) 5.14.0-284.11.1.el9_2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | linux-hwe-5.4 | * | Up to (excluding) 4.15.0-1136.141 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | linux-bluefield | * | Up to (excluding) 5.4.0-1103.109 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.04 | linux-oem-6.5 | * | Up to (excluding) 5.15.0-1033.40 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.10 | linux | * | Up to (excluding) 5.19.0-1017.19 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_a | kernel | * | Up to (excluding) 4.19.0-91.82.129.uelc20 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_c | kernel | * | Up to (excluding) 4.19.0-91.77.129.uelc20 | |||||
- 攻击路径 本地
- 攻击复杂度 容易
- 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 官方补丁
- 数据保密性 数据泄露
- 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-119 | 内存缓冲区边界内操作的限制不恰当 |
| CWE-416 | 释放后使用 |
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