CVSS 3.1 Score 7.8 of 10 (high)


Published Jul 24, 2023
Updated: Apr 25, 2024
CWE ID 787
CWE ID 416


CVE-2023-3812 is a high-severity vulnerability with a base score of 7.8, affecting various Linux kernel versions. The vulnerability occurs in the TUN/TAP device driver functionality when a user generates a malicious networking packet that exceeds the allowed size limit, leading to an out-of-bounds memory access. This flaw allows a local user to potentially crash the system or escalate their privileges. The vulnerability has a low attack complexity and requires low privileges and no user interaction. It has a high impact on both integrity and confidentiality, with a vector string of CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Remediation steps may include applying patches or updates provided by the Linux kernel maintainers to fix the issue and prevent potential exploitation. Organizations should prioritize addressing this vulnerability as it poses significant risks to system stability and security.

Leverage our Vulnerability Intelligence module to secure your systems now - get detailed insights on CVE-2024-37364. Book your demo today.


Explore Beyond the CVE Basics with Recorded Future's Vulnerability Intelligence

Note: This is just a basic overview providing quick insights into CVE-2023-3812 information. Gain full access to comprehensive CVE data, risk scores, prioritization, and mitigation data through Recorded Future's Vulnerability Intelligence:
  • Prioritize with Risk-Based Scoring
  • Explore the Extensive Vulnerability Database
  • Receive Early Alerts on Emerging CVEs
  • Focus on Critical Exploitable Vulnerabilities
  • Streamline Remediation with Integration Options