CVE-2023-40551

CVE Details

Release Date:2024-01-23
Impact:Moderate What is this?

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


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


CVSS v3 metrics

Base Score: 5.1
Vector String: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H
Version: 3.0
Attack Vector: Local
Attack Complexity: Low
Privileges Required: High
User Interaction: None
Scope: Unchanged
Confidentiality Impact: Low
Integrity Impact: None
Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle Linux version 7 (shim)ELSA-2024-19592024-05-01
Oracle Linux version 7 (shim-signed)ELSA-2024-19592024-05-01
Oracle Linux version 8 (shim)ELSA-2024-19022024-04-25
Oracle Linux version 9 (shim)ELSA-2024-19032024-04-22


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