CVE-2022-42269 : Exploit Details and Defense Strategies

NVIDIA Trusted OS contains a vulnerability in an SMC call handler, where failure to validate untrusted input may allow a highly privileged local attacker to cause information disclosure and compromise integrity. The impact can extend to other components.

Understanding CVE-2022-42269

This CVE affects NVIDIA's Trusted OS and poses a risk of information disclosure and integrity compromise.

What is CVE-2022-42269?

CVE-2022-42269 is a vulnerability in NVIDIA's Trusted OS SMC call handler, allowing a local attacker to compromise the system.

The Impact of CVE-2022-42269

The vulnerability in the SMC call handler can lead to information disclosure and compromise system integrity, impacting highly privileged local users.

Technical Details of CVE-2022-42269

The following technical details outline the specifics of the vulnerability.

Vulnerability Description

The failure to validate untrusted input in an SMC call handler can be exploited by a local attacker, potentially leading to information disclosure.

Affected Systems and Versions

Products affected include Jetson AGX Xavier series, Jetson Xavier NX, Jetson TX1, Jetson TX2 series, and Jetson TX2 NX prior to version 32.7.2.

Exploitation Mechanism

A highly privileged local attacker can exploit this vulnerability, impacting confidentiality and integrity.

Mitigation and Prevention

Understand the steps to mitigate and prevent potential attacks.

Immediate Steps to Take

Implement immediate actions to secure systems and prevent exploitation.

Long-Term Security Practices

Adopt long-term security best practices to enhance system resilience against similar vulnerabilities.

Patching and Updates

Ensure systems are updated with version 32.7.2 or above to mitigate the CVE-2022-42269 vulnerability.