CVE-2023-52823 Information

Description

In the Linux kernel the following vulnerability has been resolved:

kernel: kexec: copy user-array safely

Currently there is no overflow-check with memdup_user().

Use the new function memdup_array_user() instead of memdup_user() for duplicating the user-space array safely.

Reference

https://git.kernel.org/stable/c/d4f2c09d4672f0e997ba4b1b589cc376be7ec938 https://git.kernel.org/stable/c/8332523b13dbfcce60f631dfb34ac90df021b4bd https://git.kernel.org/stable/c/b0ed017a2b9735753eb95798d9f60176480424ca https://git.kernel.org/stable/c/4fc857cc5cb9b7ce6940898857d773564973a584 https://git.kernel.org/stable/c/569c8d82f95eb5993c84fb61a649a9c4ddd208b3