CVE编号
CVE-2020-28374利用情况
暂无补丁情况
官方补丁披露时间
2021-01-13漏洞描述
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。Linux kernel 5.10.7之前版本存在安全漏洞，该漏洞源于drivers/target/target_core_xcopy.c标识符检查不足，攻击者可利用该漏洞通过XCOPY请求中的目录遍历来读写文件。
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://github.com/torvalds/linux/commit/2896c93811e39d63a4d9b63ccf12a8fbc226e5e4
参考链接 |
|
|---|---|
| http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice... | |
| http://www.openwall.com/lists/oss-security/2021/01/13/2 | |
| http://www.openwall.com/lists/oss-security/2021/01/13/5 | |
| https://bugzilla.suse.com/attachment.cgi?id=844938 | |
| https://bugzilla.suse.com/show_bug.cgi?id=1178372 | |
| https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.7 | |
| https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=28... | |
| https://github.com/torvalds/linux/commit/2896c93811e39d63a4d9b63ccf12a8fbc226e5e4 | |
| https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html | |
| https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.netapp.com/advisory/ntap-20210219-0002/ | |
| https://www.debian.org/security/2021/dsa-4843 |
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) 4.19.91-23.al7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon linux_2 | linux | * |
Up to (excluding) 4.14.219-161.340-1.0-0.amzn2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon linux_AMI | linux | * |
Up to (excluding) 4.14.219-119.340.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | linux | * |
Up to (excluding) 4.14.219-161.340.amzn2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | linux | * |
Up to (excluding) 4.14.219-119.340.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | linux | * |
Up to (excluding) 3.10.0-1160.21.1.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | linux | * |
Up to (excluding) 4.18.0-240.22.1.el8_3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | linux | * |
Up to (excluding) 4.19.171-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | linux | * |
Up to (excluding) 5.10.4-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | linux | * |
Up to (excluding) 4.9.258-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | linux | * |
Up to (excluding) 5.10.5-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedoraproject | fedora | 32 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedoraproject | fedora | 33 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | linux | * |
Up to (excluding) 5.10.7-100.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | linux | * |
Up to (excluding) 1.5.2-7.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * |
Up to (excluding) 5.10.7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | linux | * |
Up to (excluding) 4.12.14-lp151.28.91.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | linux | * |
Up to (excluding) 5.3.18-lp152.60.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle linux_6 | linux | * |
Up to (excluding) 4.1.12-124.46.4.1.el6uek |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle linux_7 | linux | * |
Up to (excluding) 4.14.35-2025.405.3.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle linux_8 | linux | * |
Up to (excluding) 5.4.17-2036.102.0.2.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_6 | linux | * |
Up to (excluding) 4.1.12-124.46.4.1.el6uek |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | linux | * |
Up to (excluding) 4.14.35-2025.405.3.el7 |
|||||
| 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 | redhat_7 | bpftool | * |
Up to (excluding) 0:3.10.0-1160.21.1.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | kernel-rt | * |
Up to (excluding) 0:3.10.0-1160.21.1.rt56.1158.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | kpatch-patch-3_10_0-1160 | * |
Up to (excluding) 0:1-3.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | linux | * |
Up to (excluding) 4.18.0-240.22.1.el8_3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12_SP5 | linux | * |
Up to (excluding) 4.12.14-16.44.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | linux | * |
Up to (excluding) 4.12.14-16.44.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | linux | * |
Up to (excluding) 4.4.0-200.232~14.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04_lts | linux | * |
Up to (excluding) 3.13.0-184.235 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | linux | * |
Up to (excluding) 4.4.0-200.232 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04_lts | linux | * |
Up to (excluding) 4.4.0-200.232 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | linux | * |
Up to (excluding) 5.4.0-1037.39~18.04.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04_lts | linux | * |
Up to (excluding) 4.15.0-132.136 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | linux | * |
Up to (excluding) 5.4.0-1037.40 |
|||||
- 攻击路径 远程
- 攻击复杂度 容易
- 权限要求 无需权限
- 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
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