CVE-2022-35896 Information disclosure in n/a
An attacker can dump SMRAM contents via a software SMI in InsydeH2O firmware, leading to sensitive information disclosure.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-35896?
CVE-2022-35896 is a medium-severity vulnerability in Insyde Insydeh2o, published on 21 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue SMM memory leak vulnerability in SMM driver (SMRAM was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An attacker can dump SMRAM contents via the software SMI provided by the FvbServicesRuntimeDxe driver to read the contents of SMRAM, leading to information disclosure.
Weakness: CWE-20
Which versions are affected by CVE-2022-35896?
It affects 1 product.
Products include Insyde Insydeh2o.
How do I fix CVE-2022-35896?
No fix has been published for CVE-2022-35896 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-35896 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-35896 exists.
Other vulnerabilities in Insyde Insydeh2o
Sources
Also known as GHSA-hvm4-7p57-c7mx.