中危 Red Hat Enterprise Linux信息泄露漏洞（CVE-2021-4155）
CVE编号
CVE-2021-4155利用情况
暂无补丁情况
官方补丁披露时间
2022-08-25漏洞描述
Red Hat Enterprise Linux是美国红帽（Red Hat）公司的面向企业用户的Linux操作系统。 Red Hat Enterprise Linux的XFS文件系统中的XFS_IOC_ALLOCSP IOCTL存在信息泄露漏洞。本地攻击者可利用该漏洞泄露本无法访问的系统的数据。解决建议
目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=983d8e60f50806f90534cc5373d0ce867e5aaf79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 | amazon_2 | kernel | * | Up to (excluding) 1.0-2.amzn2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | kernel | * | Up to (excluding) 4.14.262-135.489.amzn1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_7 | kernel | * | Up to (excluding) 3.10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8 | kernel | * | Up to (excluding) 4.18 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | kernel | * | Up to (excluding) 3.10.0-1160.59.1.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | kpatch-patch | * | Up to (excluding) 4.18.0-348.12.2.el8_5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | linux | * | Up to (excluding) 4.19.232-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | linux | * | Up to (excluding) 5.10.92-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | linux | * | Up to (excluding) 5.15.15-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | linux | * | Up to (excluding) 4.9.303-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | linux | * | Up to (excluding) 5.15.15-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | squirrel-debugsource | * | Up to (excluding) 2.2.5-25.fc35 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_36 | squirrel-debugsource | * | Up to (excluding) 2.2.5-25.fc36 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10 | libmetalink | * | Up to (excluding) 0.1.3-7.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP1 | kernel | * | Up to (excluding) 4.19.90-23.20.v2101.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | kernel | * | Up to (excluding) 4.19.90-25.14.v2101.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10 | libmetalink | * | Up to (excluding) 0.1.3-7.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP1 | kernel | * | Up to (excluding) 4.19.90-23.20.v2101.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | kernel | * | Up to (excluding) 4.19.90-25.14.v2101.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * | Up to (excluding) 5.16 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_5.2 | kernel | * | Up to (excluding) 5.3.18-150300.59.93.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | kernel | * | Up to (excluding) 5.3.18-150300.59.93.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.4 | dtb-al | * | Up to (excluding) 5.3.18-150300.59.93.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_6 | kernel | * | Up to (excluding) 2.6.32-754.35.1.0.6.el6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | kernel | * | Up to (excluding) 4.14.35-2047.510.5.2.el7uek | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | kernel | * | Up to (excluding) 4.18.0-348.12.2.el8_5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_6 | kernel | * | Up to (excluding) 0:2.6.32-754.47.1.el6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | kernel-rt | * | Up to (excluding) 3.10.0-1160.59.1.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | kernel | * | Up to (excluding) 4.18.0-348.12.2.el8_5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | linux | * | Up to (excluding) 5.4.0-1015.16~18.04.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | linux | * | Up to (excluding) 5.4.0-1056.58 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.10 | linux | * | Up to (excluding) 5.13.0-30.33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_d | kernel | * | Up to (excluding) 4.19.90-5054 | |||||
- 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 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-131 | 缓冲区大小计算不正确 |
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