VULNERABILITY INTELLIGENCE

CVE-2023-3161

CVSS score5.5 MEDIUM
EPSS probability0.20%
CISA KEVNot currently listed
Published2023-06-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

  • CWE-682: Incorrect Calculation
  • CWE-1335: Incorrect Bitwise Shift of Integer

Primary references