中危 gnu glibc 释放后使用
CVE编号
CVE-2021-33574利用情况
暂无补丁情况
没有补丁披露时间
2021-05-26漏洞描述
The mq_notify function in the GNU C Library (aka glibc) versions 2.32 and 2.33 has a use-after-free. It may use the notification thread attributes object (passed through its struct sigevent parameter) after it has been freed by the caller, leading to a denial of service (application crash) or possibly unspecified other impact.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。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 | |||||||||
| 应用 | gnu | glibc | * | Up to (including) 2.33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | glibc | * | Up to (excluding) 2.26-57.amzn2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | glibc-langpack-sw | * | Up to (excluding) 2.28-164.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | glibc | * | Up to (excluding) 2.28-10+deb10u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | glibc | * | Up to (excluding) 2.31-13+deb11u3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | glibc | * | Up to (excluding) 2.32-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | glibc | * | Up to (including) 2.24-11+deb9u4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | glibc | * | Up to (excluding) 2.32-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | glibc-langpack-or | * | Up to (excluding) 2.32-7.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | glibc-langpack-dsb | * | Up to (excluding) 2.33-16.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | glibc-langpack-tn | * | Up to (excluding) 2.33.9000-18.fc35 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | glibc | * | Up to (excluding) 2.28-49.p07.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | glibc | * | Up to (excluding) 2.28-49.p07.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | glibc-utils | * | Up to (excluding) 2.26-lp152.26.9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | glibc-utils | * | Up to (excluding) 2.31-9.3.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | glibc-langpack-da | * | Up to (excluding) 2.28-164.0.1.ksplice1.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | glibc-langpack-sw | * | Up to (excluding) 2.28-164.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | glibc-devel | * | Up to (excluding) 2.22-114.15.1 | |||||
- 攻击路径 远程
- 攻击复杂度 困难
- 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 没有补丁
- 数据保密性 数据泄露
- 数据完整性 传输被破坏
- 服务器危害 DoS
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-416 | 释放后使用 |
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