Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
An issue was discovered in the Linux kernel before 5.7.3, related to mm/gup.c and mm/huge_memory.c. The get_user_pages (aka gup) implementation, when used for a copy-on-write page, does not properly consider the semantics of read operations and therefore can grant unintended write access, aka CID-17839856fd58.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 竞争条件问题漏洞
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 5.7.3之前版本存在竞争条件问题漏洞，该漏洞源于存在一个与mm/gup.c和mm/huge_memory.c有关的问题。get_user_pages（aka gup）实现用于写时复制页面时，不能正确考虑读操作的语义，因此可以授予意外的写访问权。
CVSS Information
N/A
Vulnerability Type
N/A