CVSS 3.1 Score 5.5 of 10 (medium)


Published Aug 3, 2023
Updated: May 22, 2024
CWE ID 416


CVE-2023-4133 is a use-after-free vulnerability in the cxgb4 driver in the Linux kernel. The vulnerability affects various products, including ohMfk7, Qtrc2o, ohMfk4, Qtrc2i, and others. It allows a local user to crash the system, resulting in a denial of service condition. The vulnerability has a base severity of MEDIUM with a base score of 5.5 according to NIST. The exploitability score is 1.8, and the privileges required for exploitation are low. No user interaction is necessary for exploitation. The attack vector is local, and there is no impact on integrity or confidentiality. The availability impact is high with an impact score of 3.6 according to CVSS version 3.1.

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