CVE编号
CVE-2020-25668利用情况
暂无补丁情况
官方补丁披露时间
2021-05-26漏洞描述
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel con_font_op()存在安全漏洞，该漏洞可强制使用被释放的内存，从而导致拒绝服务或执行自定义代码。解决建议
目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法：https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ca4463bf8438b403596edd0ec961ca0d4fbe0220
参考链接 |
|
|---|---|
| http://www.openwall.com/lists/oss-security/2020/10/30/1 | |
| http://www.openwall.com/lists/oss-security/2020/11/04/3 | |
| https://access.redhat.com/security/cve/cve-2020-25668 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1893287, | |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=... | |
| https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html | |
| https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html | |
| https://security.netapp.com/advisory/ntap-20210702-0005/ | |
| https://vigilance.fr/vulnerability/Linux-kernel-use-after-free-via-con-font-op-33747 | |
| https://www.openwall.com/lists/oss-security/2020/10/30/1, | |
| https://www.openwall.com/lists/oss-security/2020/11/04/3, |
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 | linux | * |
Up to (excluding) 4.19.91-22.al7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | linux | * |
Up to (excluding) 4.14.209-160.335.amzn2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | linux | * |
Up to (excluding) 4.14.209-117.337.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 9.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | linux | * |
Up to (excluding) 4.19.160-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | linux | * |
Up to (excluding) 5.9.1-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | linux | * |
Up to (excluding) 4.9.246-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | 5.9.2 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | linux | * |
Up to (excluding) 5.3.18-lp152.3.5.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_6 | linux | * |
Up to (excluding) 4.1.12-124.46.3.el7uek |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | linux | * |
Up to (excluding) 4.1.12-124.46.3.el7uek |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | linux | * |
Up to (excluding) 5.4.17-2036.102.0.2.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | linux | * |
Up to (excluding) 4.12.14-16.38.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | linux | * |
Up to (excluding) 4.4.0-1083.87 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04.6_lts | linux-aws | * |
Up to (excluding) 4.4.0-1083.87 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | linux | * |
Up to (excluding) 4.4.0-198.230 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | linux | * |
Up to (excluding) 4.4.0-198.230 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | linux | * |
Up to (excluding) 5.4.0-1033.35~18.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | linux | * |
Up to (excluding) 4.15.0-129.132 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | linux | * |
Up to (excluding) 5.4.0-1034.35 |
|||||
- 攻击路径 本地
- 攻击复杂度 复杂
- 权限要求 无需权限
- 影响范围 有限影响
- EXP成熟度 N/A
- 补丁情况 官方补丁
- 数据保密性 N/A
- 数据完整性 传输被破坏
- 服务器危害 服务器失陷
- 全网数量 N/A
还没有评论，来说两句吧...