CVE-2021-34402 : Vulnerability Insights and Analysis
Discover the impact of CVE-2021-34402, a Medium severity vulnerability in NVIDIA Tegra kernel driver. Learn about affected systems, exploitation risks, and mitigation strategies.
NVIDIA Tegra kernel driver contains a vulnerability in NVIDIA NVDEC. An attacker with high privileges might exploit this flaw to read from or write to a memory location outside the buffer's boundary. This could result in denial of service, information disclosure, loss of integrity, or escalation of privileges.
Understanding CVE-2021-34402
This section provides insights into the impact, technical details, and mitigation strategies for CVE-2021-34402.
What is CVE-2021-34402?
The vulnerability in NVIDIA NVDEC allows a user with elevated privileges to access memory outside the intended buffer limits, posing serious risks to system availability, confidentiality, and integrity.
The Impact of CVE-2021-34402
With a CVSS base score of 6.7 (Medium severity), this vulnerability could lead to denial of service, leakage of sensitive information, compromise of data integrity, and potential privilege escalation.
Technical Details of CVE-2021-34402
Explore the specifics of the vulnerability, affected systems, and exploitation methods.
Vulnerability Description
The flaw arises from improper boundary checks in NVIDIA NVDEC, enabling unauthorized memory access and various security risks.
Affected Systems and Versions
NVIDIA Shield TV devices running versions prior to SE 9.0 are susceptible to this vulnerability, highlighting the importance of prompt updates.
Exploitation Mechanism
Attackers with high privileges can utilize this vulnerability to manipulate memory bounds, potentially leading to serious consequences like DoS or information leaks.
Mitigation and Prevention
Learn how to protect your systems and mitigate the risks associated with CVE-2021-34402.
Immediate Steps to Take
Ensure all NVIDIA Shield TV devices are updated to SE 9.0 or newer to eliminate this vulnerability and enhance system security.
Long-Term Security Practices
Implement stringent access control measures and regular security updates to prevent similar vulnerabilities in the future.
Patching and Updates
Stay vigilant for security advisories from NVIDIA and apply patches promptly to safeguard against emerging threats.