Vulnerability Monitor

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CVE-2023-22613

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. It is possible to write to an attacker-controlled address. An attacker could invoke an SMI handler with a malformed pointer in RCX that overlaps SMRAM, resulting in SMM memory corruption.

Published

2023-04-11T22:15:07.660

Last Modified

2025-02-11T20:15:31.633

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

Weaknesses

Type: Primary
CWE-787
Type: Secondary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	insyde	insydeh2o	05.27.37	Yes
Application	insyde	insydeh2o	05.36.37	Yes
Application	insyde	insydeh2o	05.44.45	Yes
Application	insyde	insydeh2o	05.52.45	Yes

References

https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/ Not Applicable ([email protected])
https://www.insyde.com/security-pledge Vendor Advisory ([email protected])
https://www.insyde.com/security-pledge/SA-2023023 Vendor Advisory ([email protected])
https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/ Not Applicable (af854a3a-2127-422b-91ae-364da2661108)
https://www.insyde.com/security-pledge Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.insyde.com/security-pledge/SA-2023023 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)