CVE-2022-50404

fbdev: fbcon: release buffer when fbcon_do_set_font() failed

Medium · published September 18, 2025

CVSS v3.1
5.5
EPSS
0%
Percentile
5.2
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

fbdev: fbcon: release buffer when fbcon_do_set_font() failed

syzbot is reporting memory leak at fbcon_do_set_font() [1], for

commit a5a923038d70 ("fbdev: fbcon: Properly revert changes when

vc_resize() failed") missed that the buffer might be newly allocated

by fbcon_set_font().

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00163 · 5.2th percentile
Published
2025-09-18T16:03Z
EPSS history
Timeline
  • 18 SEP 16:03Z
    fbdev: fbcon: release buffer when fbcon_do_set_font() failed
    cvelistv5