CVE-2023-3161

CVE Details

Release Date:

2023-01-25

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.

See more information about CVE-2023-3161 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	5.5	Base Metrics:	AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector:	Local network	Attack Complexity:	Low
Privileges Required:	Low	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel-uek)	ELSA-2023-12688	2023-07-31
Oracle Linux version 7 (kernel-uek)	ELSA-2023-12688	2023-07-31
Oracle Linux version 8 (kernel)	ELSA-2023-7077	2023-11-17
Oracle Linux version 9 (kernel)	ELSA-2023-6583	2023-11-12
Oracle VM version 3 (kernel-uek)	OVMSA-2023-0018	2023-08-03

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team