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

A buffer overflow flaw was found in ofmodalias in the Linux kernel, occurring after the first snprintf call. This issue could result in loss of availability of the system...

UBUNTU-CVE-2024-38541

In the Linux kernel, the following vulnerability has been resolved: of: module: add buffer overflow check in ofmodalias In ofmodalias, 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...