CVE-2024-52877
highpriority · track · 0EPSS 0.005 · 41 %ileDEEUUSEPSS · scored 2026-10-28
An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.38.50, kernel 5.4 before version 05.46.50, kernel 5.5 before version 05.54.50, kernel 5.6 before version 05.61.50, and kernel 5.7 before version 05.70.50. In VariableRuntimeDxe driver, callback function SmmCreateVariableLockList () calls CreateVariableLockListInSmm (). In CreateVariableLockListInSmm (), it uses StrSize () to get variable name size and it could lead to a buffer over-read.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (20)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-1038Insyde UEFI Firmware: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2025-05-13csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Insyde UEFI Firmware ausnutzen, um einen Denial of Service Angriff durchzuführen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://www.insyde.com/security-pledgecnnvd
- https://www.insyde.com/security-pledge/sa-2024016/cnnvd
- https://www.insyde.com/security-pledgeenisa_euvd
- https://www.insyde.com/security-pledge/sa-2024016/enisa_euvd
- https://www.insyde.com/security-pledgeVendor Advisorynvd
- https://www.insyde.com/security-pledge/sa-2024016/Vendor Advisorynvd
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