CVE-2023-39283

High

Description

An SMM memory corruption vulnerability in the SMM driver (SMRAM write) in CsmInt10HookSmm in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to send arbitrary data to SMM which could lead to privilege escalation.

SeverityHigh
CVSS7.8
Exploit probability—
ProductInsydeh2o
PublishedNov 2, 2023
First seenNov 2, 2023

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
insyde insydeh2o5.0 ≤ v ≤ 5.5, 5.5.05.53.22, 5.6, 5.6.05.60.22—

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