Vulnerability CVE-2023-40550: Information

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.

Severity: MEDIUM (5.5) Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Published: Jan. 29, 2024
Modified: April 25, 2024
Error type identifier: CWE-125

Fixed packages

Package name
Branch
Fixed in version
Version from repository
Errata ID
Task #
State
shimsisyphus15.8-alt115.8-alt1ALT-PU-2024-1671-2339548Fixed
shimp1015.8-alt115.8-alt1ALT-PU-2024-1877-3339915Fixed
shimc10f115.8-alt115.8-alt1ALT-PU-2024-4050-2342790Fixed
shimc9f215.8-alt115.8-alt1ALT-PU-2024-1869-3339892Fixed

References to Advisories, Solutions, and Tools

    1. Configuration 1

      cpe:2.3:a:redhat:shim:*:*:*:*:*:*:*:*
      End excliding
      15.8

      Configuration 2

      cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

      cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

      cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*