CVE-2023-3161CWE-1335

A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel

Medium · published June 12, 2023

CVSS v3.1
5.5
EPSS
0%
Percentile
9.9
In the wild
Unconfirmed
What it is

A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds occurs leading to undefined behavior and possible denial of service.

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
0.00204 · 9.9th percentile
Weakness
CWE-1335 · Incorrect Bitwise Shift of Integer
Published
2023-06-12T00:00Z
EPSS history
Timeline
  • 12 JUN 00:00Z
    A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel
    cvelistv5