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THREAT OPS › Threat News › [NVD] CVE-2021-41839 (HIGH 8.2) — 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 esca

[NVD] CVE-2021-41839 (HIGH 8.2) — 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 esca

lownvdPublished 2022-02-03

CVE-2021-41839 CVSS: 8.2 HIGH Published: 2022-02-03T02:15:07.123

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.

Indicators of compromise

CVE-2021-41839cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2021-41839