CVE-2022-21820 : What You Need to Know
Discover the details of CVE-2022-21820, a vulnerability in NVIDIA Data Center GPU Manager (DCGM) allowing remote manipulation of error conditions, potentially leading to code execution and privilege escalation.
NVIDIA Data Center GPU Manager (DCGM) has been identified with a vulnerability that could allow a network user to trigger error conditions without action. This exploit has the potential to result in limited code execution, some denial of service, privilege escalation, and limited impacts to data confidentiality and integrity.
Understanding CVE-2022-21820
This section will delve deeper into the key details of the CVE-2022-21820 vulnerability.
What is CVE-2022-21820?
CVE-2022-21820 pertains to a vulnerability found in the nvhostengine of NVIDIA Data Center GPU Manager, enabling a remote user to manipulate error conditions, potentially leading to various security risks.
The Impact of CVE-2022-21820
The impact of this vulnerability can range from limited code execution, denial of service attacks, privilege escalation, to compromising data confidentiality and integrity.
Technical Details of CVE-2022-21820
Let's explore the technical aspects associated with CVE-2022-21820.
Vulnerability Description
The vulnerability arises from the improper handling of error conditions by the nvhostengine in NVIDIA DCGM, allowing an attacker to exploit the system remotely.
Affected Systems and Versions
All versions of NVIDIA Data Center GPU Manager prior to 2.3.4 are affected by this vulnerability, making them susceptible to exploitation.
Exploitation Mechanism
A network user can abuse this vulnerability to trigger error conditions without appropriate action, which may open doors for executing malicious code, launching denial of service attacks, or gaining elevated privileges.
Mitigation and Prevention
It is crucial to take immediate action to mitigate the risks posed by CVE-2022-21820.
Immediate Steps to Take
Ensure to update NVIDIA DCGM to version 2.3.4 or later to patch the vulnerability and enhance system security.
Long-Term Security Practices
Implement robust security measures such as regular system updates, network segmentation, access controls, and monitoring to strengthen overall security posture.
Patching and Updates
Regularly check for software updates and security advisories from NVIDIA to stay informed about potential vulnerabilities and apply patches promptly.