Vulnerability · Published Sep 23, 2022 · Assigned by mitre
CVE-2022-35893
High 8.2
In plain English
A high-severity improper input validation in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.2%top 86.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-20 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
References
- https://www.insyde.com/security-pledge x_refsource_MISC
- https://www.insyde.com/security-pledge/SA-2022035 x_refsource_MISC
- https://binarly.io/advisories/BRLY-2022-026/index.html x_refsource_MISC