CVE-2022-34325
Last modified
CVE-2022-34325 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. DMA transactions which are targeted at input buffers used for the StorageSecurityCommandDxe software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the StorageSecurityCommandDxe driver could cause SMRAM corruption. EPSS estimates a 0.13% chance of exploitation in the next 30 days.
Description
DMA transactions which are targeted at input buffers used for the StorageSecurityCommandDxe software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the StorageSecurityCommandDxe driver could cause SMRAM corruption. This issue was discovered by Insyde engineering based on the general description provided by
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Insyde | Insydeh2o | >= 5.3, < 05.36.23 |
| Insyde | Insydeh2o | >= 5.2, < 05.27.23 |
| Insyde | Insydeh2o | >= 5.4, < 05.44.23 |
| Insyde | Insydeh2o | >= 5.5, < 05.52.23 |
References
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.insyde.com/security-pledge/SA-2022057Vendor Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.insyde.com/security-pledge/SA-2022057Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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