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THREAT OPS › Threat News › [NVD] CVE-2020-27339 (MEDIUM 6.7) — In the kernel in Insyde InsydeH2O 5.x, certain SMM drivers did not correctly validate the CommBuffer and CommBufferSize parameters, allowing callers to corrupt either the firmware or the OS memory. The fixed versions for this issue in the AhciBusDxe, IdeBusDxe, NvmExpressDxe, SdH

[NVD] CVE-2020-27339 (MEDIUM 6.7) — In the kernel in Insyde InsydeH2O 5.x, certain SMM drivers did not correctly validate the CommBuffer and CommBufferSize parameters, allowing callers to corrupt either the firmware or the OS memory. The fixed versions for this issue in the AhciBusDxe, IdeBusDxe, NvmExpressDxe, SdH

lownvdPublished 2021-06-16

CVE-2020-27339 CVSS: 6.7 MEDIUM Published: 2021-06-16T16:15:07.897

In the kernel in Insyde InsydeH2O 5.x, certain SMM drivers did not correctly validate the CommBuffer and CommBufferSize parameters, allowing callers to corrupt either the firmware or the OS memory. The fixed versions for this issue in the AhciBusDxe, IdeBusDxe, NvmExpressDxe, SdHostDriverDxe, and SdMmcDeviceDxe drivers are 05.16.2

Indicators of compromise

CVE-2020-27339cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2020-27339