漏洞信息
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Vulnerability Title
drm/amd/display: Wake DMCUB before executing GPINT commands
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wake DMCUB before executing GPINT commands [Why] DMCUB can be in idle when we attempt to interface with the HW through the GPINT mailbox resulting in a system hang. [How] Add dc_wake_and_execute_gpint() to wrap the wake, execute, sleep sequence. If the GPINT executes successfully then DMCUB will be put back into sleep after the optional response is returned. It functions similar to the inbox command interface.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 安全漏洞
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于尝试通过 GPINT 邮箱与硬件连接时，DMCUB 可能处于空闲状态，从而导致系统挂起。
CVSS Information
N/A
Vulnerability Type
N/A