漏洞信息
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Vulnerability Title
GRUB2 contains a race condition leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing.
Vulnerability Description
GRUB2 contains a race condition in grub_script_function_create() leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing, leading to arbitrary code execution and secure boot restriction bypass. This issue affects GRUB2 version 2.04 and prior versions.
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Vulnerability Title
grub2 资源管理错误漏洞
Vulnerability Description
grub2是GNU社区的一款Linux系统引导程序。 grub2 2.04及之前版本中的‘grub_script_function_create()’函数存在资源管理错误漏洞。攻击者可利用该漏洞执行任意代码并绕过安全启动限制。
CVSS Information
N/A
Vulnerability Type
N/A