VULNERABILITY INTELLIGENCE
CVE-2023-40550
CVSS score5.5 MEDIUM
EPSS probability0.40%
CISA KEVNot currently listed
Published2024-01-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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.
Weakness classification
- secalert@redhat.com: CWE-125
- nvd@nist.gov: CWE-125