CVE-2023-40550

CVE Details

Release Date:

2024-01-23

Description

An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase.

See more information about CVE-2023-40550 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:H/I:N/A:N
Access Vector:	Local network	Attack Complexity:	Low
Privileges Required:	Low	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	High
Integrity Impact:	None	Availability Impact:	None

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