CVEvulnerability

CVE-2023-3161

5.5 MEDIUM Published 2023-06-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-06-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-1335, CWE-682

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.

Affected configurations

• linux linux kernel (< 6.2) • linux linux kernel 6.2 • fedoraproject fedora 38 • redhat enterprise linux 8.0 • redhat enterprise linux 9.0

Related

Weakness · CWE (2)

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

References