Vulnerability CVE-2024-38541
Published: 2024-06-19

Description:
In the Linux kernel, the following vulnerability has been resolved:

of: module: add buffer overflow check in of_modalias()

In of_modalias(), if the buffer happens to be too small even for the 1st
snprintf() call, the len parameter will become negative and str parameter
(if not NULL initially) will point beyond the buffer's end. Add the buffer
overflow check after the 1st snprintf() call and fix such check after the
strlen() call (accounting for the terminating NUL char).

 References:
https://git.kernel.org/stable/c/0b0d5701a8bf02f8fee037e81aacf6746558bfd6
https://git.kernel.org/stable/c/ee332023adfd5882808f2dabf037b32d6ce36f9e
https://git.kernel.org/stable/c/e45b69360a63165377b30db4a1dfddd89ca18e9a
https://git.kernel.org/stable/c/cf7385cb26ac4f0ee6c7385960525ad534323252
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