中危 linux linux_kernel 使用未经初始化的指针
CVE编号
CVE-2022-42895利用情况
暂无补丁情况
官方补丁披露时间
2022-11-23漏洞描述
There is an infoleak vulnerability in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_parse_conf_req function which can be used to leak kernel pointers remotely. We recommend upgrading past commit https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e https://www.google.com/url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 |
|
|---|---|
| https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e | |
| https://kernel.dance/ |
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 | kernel | * | Up to (excluding) 4.19.91-27.1.al7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | kernel | * | Up to (excluding) 4.14.299-223.520.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) 5.10 | |||||
| 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) 6.0.7-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | linux | * | Up to (excluding) 6.0.7-1 | |||||
| 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) 5.3.18-150300.59.106.1 | |||||
| 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_6 | kernel | * | Up to (excluding) 4.1.12-124.71.3.el6uek | |||||
| 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_8 | kernel | * | Up to (excluding) 5.15.0-6.80.3.1.el9uek | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | kernel | * | Up to (excluding) 4.12.14-122.144.1 | |||||
| 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-bluefield | * | 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) 4.19.0-91.82.132.uelc20 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_c | kernel | * | Up to (excluding) 4.19.0-91.77.132.uelc20 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_d | kernel | * | Up to (excluding) 4.19.90-5069 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_e | kernel | * | Up to (excluding) 4.19.90-2211.5.0.0178.20.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-824 | 使用未经初始化的指针 |
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