🛡️ CVE-2024-52878
🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-126 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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, VariableServicesSetVariable () can be called by gRT_>SetVariable () or the SmmSetSensitiveVariable () or SmmInternalSetVariable () from SMM. In VariableServicesSetVariable (), it uses StrSize () to get variable name size, uses StrLen () to get variable name length and uses StrCmp () to compare strings. These actions may cause a buffer over-read.

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE CWE-126
Public Exploit ✅ No
Source NVD
Published 2025-05-15
Updated 2026-06-02
Modified 2025-08-15
Fix URL N/A

Affected Packages

Software From version Fixed in
insydeh2o 5.7 5.7.05.70.50

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