CVE-2023-52823

Published: May 23, 2024Last modified: June 18, 2025

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.

Status

References

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