CVE-2023-40551

CVE Details

Release Date:

2024-01-23

Description

A flaw was found in the MZ binary format in Shim. An out-of-bounds read may occur, leading to a crash or possible exposure of sensitive data during the system's boot phase.

See more information about CVE-2023-40551 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:	5.1	Base Metrics:	AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H
Access Vector:	Local network	Attack Complexity:	Low
Privileges Required:	High	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	Low
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (shim)	ELSA-2024-1959	2024-05-01
Oracle Linux version 7 (shim-signed)	ELSA-2024-1959	2024-05-01
Oracle Linux version 8 (shim)	ELSA-2024-1902	2024-04-25
Oracle Linux version 9 (shim)	ELSA-2024-1903	2024-04-22

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