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.
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History
Mon, 19 May 2025 20:15:00 +0000
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Weaknesses | CWE-126 | |
Metrics |
cvssV3_1
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Thu, 15 May 2025 15:45:00 +0000
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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. | |
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Status: PUBLISHED
Assigner: mitre
Published: 2025-05-15T00:00:00.000Z
Updated: 2025-05-19T19:55:47.755Z
Reserved: 2024-11-17T00:00:00.000Z
Link: CVE-2024-52878

Updated: 2025-05-19T19:55:38.167Z

Status : Awaiting Analysis
Published: 2025-05-15T16:15:32.897
Modified: 2025-05-19T20:15:21.360
Link: CVE-2024-52878

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