A Use After Free vulnerability exists in Arm Ltd's Bifrost, Valhall, and 5th Gen GPU Architecture Kernel Drivers. This flaw allows a local non-privileged user process to access GPU memory that has already been freed by performing valid GPU memory processing operations. The vulnerability affects specific driver revisions ranging from r41p0 through r55p0 across these GPU architectures. The CVSS score is 5.1, indicating a medium severity level.