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CVE-2022-36338

Published: 23/09/2022 Updated: 27/09/2022
CVSS v3 Base Score: 8.2 | Impact Score: 6 | Exploitability Score: 1.5
VMScore: 0
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Vulnerability Summary

An issue exists in Insyde InsydeH2O with kernel 5.0 up to and including 5.5. An SMM callout vulnerability in the SMM driver FwBlockServiceSmm, creating SMM, leads to arbitrary code execution. An attacker can replace the pointer to the UEFI boot service GetVariable with a pointer to malware, and then generate a software SMI.

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References

NVD-CWE-noinfohttps://www.insyde.com/security-pledgehttps://www.insyde.com/security-pledge/SA-2022029https://binarly.io/advisories/BRLY-2022-017/index.htmlhttps://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
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