Vulnerability Information
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Vulnerability Title
drm/xe/ufence: Prefetch ufence addr to catch bogus address
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/xe/ufence: Prefetch ufence addr to catch bogus address access_ok() only checks for addr overflow so also try to read the addr to catch invalid addr sent from userspace. (cherry picked from commit 9408c4508483ffc60811e910a93d6425b8e63928)
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drm/xe/ufence中预取ufence地址以捕获无效地址的问题，access_ok只检查地址溢出，因此也尝试读取地址以捕获从用户空间发送的无效地址。
CVSS Information
N/A
Vulnerability Type
N/A