CVE-2023-27373

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. Due to insufficient input validation, an attacker can tamper with a runtime-accessible EFI variable to cause a dynamic BAR setting to overlap SMRAM.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.insyde.com/security-pledge/SA-2023035Vendor Advisory
https://www.insyde.com/security-pledge/SA-2023035Vendor Advisory

Timeline

Published: Aug 7, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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