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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
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.
Metrics
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Red Hat, Inc. https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html
CVE Modified by Red Hat, Inc.6/10/2024 2:15:22 PM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html [No types assigned]
CVE Modified by Red Hat, Inc.5/14/2024 9:39:25 AM
Action
Type
Old Value
New Value
CVE Modified by Red Hat, Inc.4/29/2024 10:15:07 AM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:2086 [No types assigned]
CVE Modified by Red Hat, Inc.4/25/2024 10:15:08 AM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1902 [No types assigned]
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1903 [No types assigned]
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1959 [No types assigned]
CVE Modified by Red Hat, Inc.4/18/2024 1:15:47 AM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1873 [No types assigned]
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1876 [No types assigned]
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1883 [No types assigned]
CVE Modified by Red Hat, Inc.4/16/2024 12:15:08 PM
Action
Type
Old Value
New Value
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1834 [No types assigned]
Added
Reference
Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1835 [No types assigned]
Initial Analysis by NIST2/05/2024 4:38:37 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Added
CWE
NIST CWE-125
Added
CPE Configuration
OR
*cpe:2.3:a:redhat:shim:*:*:*:*:*:*:*:* versions up to (excluding) 15.8
Added
CPE Configuration
OR
*cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
Changed
Reference Type
https://access.redhat.com/security/cve/CVE-2023-40550 No Types Assigned
New CVE Received from Red Hat, Inc.1/29/2024 12:15:08 PM
Action
Type
Old Value
New Value
Added
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.
Added
CVSS V3.1
Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Added
CWE
Red Hat, Inc. CWE-125
Added
Reference
Red Hat, Inc. https://access.redhat.com/security/cve/CVE-2023-40550 [No types assigned]
Added
Reference
Red Hat, Inc. https://bugzilla.redhat.com/show_bug.cgi?id=2259915 [No types assigned]
Quick Info
CVE Dictionary Entry: CVE-2023-40550 NVD
Published Date: 01/29/2024 NVD
Last Modified: 11/21/2024
Source: Red Hat, Inc.