Linux kernel fbcon.c file out-of-bounds read vulnerability

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. An out-of-bounds read vulnerability exists in versions of Linux kernel prior to 6.2.12, which stems from assigning only the first vc in setcon2fbmap in...

CVE-2023-38409

An issue was discovered in setcon2fbmap in drivers/video/fbdev/core/fbcon.c in the Linux kernel before 6.2.12. Because an assignment occurs only for the first vc, the fbconregisteredfb and fbcondisplay arrays can be desynchronized in fbconmodedeleted the con2fbmap points at the old fbinfo...

ASB-A-240019719

In fbconsetfont of fbcon.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation...

Denial Of Service (DoS)

kernel is vulnerable to denial of service. The vulnerability exists in fbcongetfont function in fbcon.c due to bound check failure allowing an attacker to crash the application by providing malicious input...