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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2023-06-12T00:00:00

Updated: 2024-08-02T06:48:07.681Z

Reserved: 2023-06-08T00:00:00

Link: CVE-2023-3161

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2023-06-12T20:15:12.910

Modified: 2023-06-22T00:17:17.553

Link: CVE-2023-3161

cve-icon Redhat

Severity : Moderate

Publid Date: 2023-01-25T00:00:00Z

Links: CVE-2023-3161 - Bugzilla