The vulnerability in the `fbcon_rotate_font()` function of the `drivers/video/fbdev/core/fbcon_rotate.c` driver for Linux kernel-based graphics buffer devices allows a attacker to disclose sensitive information or cause system failures.

The vulnerability of the fbconrotatefont function in the drivers/video/fbdev/core/fbconrotate.c driver for Linux kernel-based graphics buffer devices is related to the execution of operations beyond the buffer’s memory boundaries. Exploiting this vulnerability can allow an attacker to disclose...

CVE-2026-46191: Out-of-bounds Read

In the Linux kernel, the following vulnerability has been resolved: fbcon: Avoid OOB font access if console rotation fails Clear the font buffer if the reallocation during console rotation fails in fbconrotatefont. The putcs implementations for the rotated buffer will return early in this case. S...