Vulnerability Information
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Vulnerability Title
systemd: Local unprivileged user can trigger an assert
Vulnerability Description
systemd, a system and service manager, (as PID 1) hits an assert and freezes execution when an unprivileged IPC API call is made with spurious data. On version v249 and older the effect is not an assert, but stack overwriting, with the attacker controlled content. From version v250 and newer this is not possible as the safety check causes an assert instead. This IPC call was added in v239, so versions older than that are not affected. Versions 260-rc1, 259.2, 258.5, and 257.11 contain patches. No known workarounds are available.
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
特权管理不恰当
Vulnerability Title
systemd 安全漏洞
Vulnerability Description
systemd是德国Lennart Poettering个人开发者的一款基于Linux的系统和服务管理器。该产品兼容了SysV和LSB的启动脚本，且提供了一个用来表示系统服务间依赖关系的框架。 systemd v239版本至v259.2及之前版本存在安全漏洞，该漏洞源于未授权IPC API调用处理不当，可能导致断言失败、执行冻结或栈覆盖。
CVSS Information
N/A
Vulnerability Type
N/A