CVE-2023-3812

CVSS 3.1 Score 7.8 of 10 (high)

Details

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

Summary

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.

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