低危 freedesktop systemd 不加限制或调节的资源分配
CVE编号
CVE-2021-33910利用情况
暂无补丁情况
官方补丁披露时间
2021-07-21漏洞描述
basic/unit-name.c in systemd prior to 246.15, 247.8, 248.5, and 249.1 has a Memory Allocation with an Excessive Size Value (involving strdupa and alloca for a pathname controlled by a local attacker) that results in an operating system crash.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 | freedesktop | systemd | * | Up to (excluding) 246.15 | |||||
| 运行在以下环境 | |||||||||
| 应用 | freedesktop | systemd | * | From (including) 247 | Up to (excluding) 247.8 | ||||
| 运行在以下环境 | |||||||||
| 应用 | freedesktop | systemd | * | From (including) 248 | Up to (excluding) 248.5 | ||||
| 运行在以下环境 | |||||||||
| 应用 | freedesktop | systemd | * | From (including) 249 | Up to (excluding) 249.1 | ||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8 | systemd-udev | * | Up to (excluding) 239-31.0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8.2 | systemd | * | Up to (excluding) 239-31.0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | systemd-tests | * | Up to (excluding) 239-45.el8_4.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | systemd | * | Up to (excluding) 241-7~deb10u8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | systemd | * | Up to (excluding) 247.3-6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | systemd | * | Up to (excluding) 247.3-6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | systemd | * | Up to (excluding) 232-25+deb9u13 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | systemd | * | Up to (excluding) 247.3-6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | systemd-debuginfo | * | Up to (excluding) 246.15-1.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | systemd-debuginfo | * | Up to (excluding) 248.5-1.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP1 | systemd | * | Up to (excluding) 243-31.se.p12.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | systemd | * | Up to (excluding) 243-31.se.p06.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_loongarch64_V10SP1 | systemd | * | Up to (excluding) 243-17.se.p08.a.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP1 | systemd | * | Up to (excluding) 243-31.se.p12.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | systemd | * | Up to (excluding) 243-31.se.p06.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | systemd-mini-sysvinit | * | Up to (excluding) 234-lp152.31.31.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | systemd-bash-completion | * | Up to (excluding) 246.13-7.8.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 239-45.0.2.el8_4.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | systemd-tests | * | Up to (excluding) 239-45.el8_4.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | udev | * | Up to (excluding) 228-157.30.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | systemd | * | Up to (excluding) 237-3ubuntu10.49 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | systemd | * | Up to (excluding) 237-3ubuntu10.49 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | systemd | * | Up to (excluding) 245.4-4ubuntu3.10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | systemd | * | Up to (excluding) 247.3-3ubuntu3.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.10 | systemd | * | Up to (excluding) 248.3-1ubuntu3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.04 | systemd | * | Up to (excluding) 248.3-1ubuntu3 | |||||
- 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
| CWE-ID | 漏洞类型 |
| CWE-770 | 不加限制或调节的资源分配 |
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