CVE-2022-35893
Last modified
CVE-2022-35893 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM memory corruption vulnerability in the FvbServicesRuntimeDxe driver allows an attacker to write fixed or predictable data to SMRAM. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
Description
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM memory corruption vulnerability in the FvbServicesRuntimeDxe driver allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Insyde | Insydeh2o | >= 5.0, < 05.09.37 |
| Insyde | Insydeh2o | >= 5.1, < 05.17.37 |
| Insyde | Insydeh2o | >= 5.2, < 05.27.29 |
| Insyde | Insydeh2o | >= 5.3, < 05.36.29 |
| Insyde | Insydeh2o | >= 5.4, < 05.44.29 |
| Insyde | Insydeh2o | >= 5.5, < 05.52.29 |
References
- https://binarly.io/advisories/BRLY-2022-026/index.htmlThird Party Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.insyde.com/security-pledge/SA-2022035Vendor Advisory
- https://binarly.io/advisories/BRLY-2022-026/index.htmlThird Party Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.insyde.com/security-pledge/SA-2022035Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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- 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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