An issue was discovered in NvmExpressDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. Because of an Untrusted Pointer Dereference that causes SMM memory corruption, an attacker may be able to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.
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Affected Vendors & Products
References
History
Tue, 04 Nov 2025 20:30:00 +0000
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Status: PUBLISHED
Assigner: mitre
Published: 2022-02-03T01:37:10.000Z
Updated: 2025-11-04T19:12:36.407Z
Reserved: 2021-10-01T00:00:00.000Z
Link: CVE-2021-41839
No data.
Status : Modified
Published: 2022-02-03T02:15:07.123
Modified: 2025-11-04T20:16:01.230
Link: CVE-2021-41839
No data.
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