Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbcon: A NULL pointer dereference issue was fixed in fbconputcs. syzbot has identified a NULL pointer dereference bug in fbcon. Here is the simplified C code for the reproduction of the issue: c struct param uint8t type; struct...

PT-2025-27973

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, related to the fbcon module. The issue occurs when attempting to write to the "store modes" sysfs node, which can cause an...

AZL-50942 CVE-2024-50048 affecting package kernel for versions less than 6.6.57.1-1

In the Linux kernel, the following vulnerability has been resolved: fbcon: Fix a NULL pointer dereference issue in fbconputcs syzbot has found a NULL pointer dereference bug in fbcon. Here is the simplified C reproducer: struct param uint8t type; struct tioclselection ts; ; int main struct...

kernel: fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong con2fb_map assignment

A memory corruption flaw was found in setcon2fbmap in drivers/video/fbdev/core/fbcon.c in the Framebuffer Console in the Linux kernel. This flaw allows a local attacker to crash the system, leading to a denial of service...

AZL-27671 CVE-2023-38409 affecting package hyperv-daemons for versions less than 5.15.122.1-1

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...

PT-2023-3674

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.2.12 Description The issue is related to the use of memory after it has been freed in the set con2fb map function in the Linux kernel. This can lead to a denial of service. The problem arises because an...