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.
                
            References
                    | Link | Resource | 
|---|---|
| https://www.insyde.com/security-pledge | Vendor Advisory | 
| https://www.insyde.com/security-pledge/sa-2024016/ | Vendor Advisory | 
Configurations
                    Configuration 1 (hide)
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History
                    15 Aug 2025, 17:05
| Type | Values Removed | Values Added | 
|---|---|---|
| References | () https://www.insyde.com/security-pledge - Vendor Advisory | |
| References | () https://www.insyde.com/security-pledge/sa-2024016/ - Vendor Advisory | |
| First Time | Insyde Insyde insydeh2o | |
| CPE | cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:* | 
19 May 2025, 20:15
| Type | Values Removed | Values Added | 
|---|---|---|
| CVSS | v2 : v3 : | v2 : unknown v3 : 7.5 | 
| CWE | CWE-126 | 
16 May 2025, 14:43
| Type | Values Removed | Values Added | 
|---|---|---|
| Summary | 
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15 May 2025, 16:15
| Type | Values Removed | Values Added | 
|---|---|---|
| New CVE | 
Information
                Published : 2025-05-15 16:15
Updated : 2025-08-15 17:05
NVD link : CVE-2024-52878
Mitre link : CVE-2024-52878
CVE.ORG link : CVE-2024-52878
JSON object : View
Products Affected
                insyde
- insydeh2o
CWE
                
                    
                        
                        CWE-126
                        
            Buffer Over-read
