CVE编号
CVE-2019-20806利用情况
暂无补丁情况
官方补丁披露时间
2020-05-28漏洞描述
5.2之前在Linux内核中发现了一个问题。 在drivers/media/pci/tw5864/tw5864-video.c中，tw5864_handle_frame()中有一个NULL指针取消引用，这可能导致拒绝服务，即CID-2e7682ebfc75。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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2e7682ebfc750177a4944eeb56e97a3f05734528
参考链接 |
|
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html | |
| https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2 | |
| https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2e... | |
| https://github.com/torvalds/linux/commit/2e7682ebfc750177a4944eeb56e97a3f05734528 | |
| https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html | |
| https://security.netapp.com/advisory/ntap-20200619-0001/ | |
| https://www.debian.org/security/2020/dsa-4698 |
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) 4.19.118-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | linux | * |
Up to (excluding) 4.9.144-3.1~deb8u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | linux | * |
Up to (excluding) 4.9.210-1+deb9u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
Up to (excluding) 5.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | linux | * |
Up to (excluding) 4.12.14-lp151.28.52.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12 | kernel-azure | * |
Up to (excluding) 4.12.14-16.16 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12_SP4 | linux | * |
Up to (excluding) 4.12.14-6.43.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12_SP5 | linux | * |
Up to (excluding) 4.12.14-16.16.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP4 | linux | * |
Up to (excluding) 4.12.14-6.43.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | linux | * |
Up to (excluding) 4.12.14-16.16.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | linux | * |
Up to (excluding) 4.15.0-1074.79~14.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04_lts | linux | * |
Up to (excluding) 3.11.0-12.19 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | linux | * |
Up to (excluding) 4.15.0-1075.80 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04_lts | linux | * |
Up to (excluding) 4.2.0-16.19 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | linux | * |
Up to (excluding) 4.15.0-1057.61 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04_lts | linux | * |
Up to (excluding) 4.15.0-91.92 |
|||||
- 攻击路径 本地
- 攻击复杂度 容易
- 权限要求 无需权限
- 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 无影响
- 数据完整性 无影响
- 服务器危害 DoS
- 全网数量 N/A
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