Security Advisory

CVE-2025-38702

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-09-04 15:32:53
Last updated 2026-05-12 12:05:40
Assigner Linux
State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: fbdev: fix potential buffer overflow in do_register_framebuffer() The current implementation may lead to buffer overflow when: 1. Unregistration creates NULL gaps in registered_fb[] 2. All array slots become occupied despite num_registered_fb < FB_MAX 3. The registration loop exceeds array bounds Add boundary check to prevent registered_fb[FB_MAX] access.