#VU80871 Memory leak in Insyde Kernel - CVE-2022-35894

Vulnerability identifier: #VU80871

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-35894

CWE-ID: CWE-401

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Insyde Kernel
Operating systems & Components / Operating system

Vendor: Insyde Software

Description
The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due memory leak in SMM driver (SMRAM read) in InsydeH2O. A local administrator can force the application to leak memory and gain access to sensitive information on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Insyde Kernel: before 5.0

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External links
https://www.insyde.com/security-pledge
https://www.insyde.com/security-pledge/SA-2022030
https://binarly.io/advisories/BRLY-2022-018/index.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.