CVSS 3.1 Score 4.4 of 10 (medium)


Published Jul 25, 2023
Updated: Jan 30, 2024
CWE ID 476


CVE-2023-3772 is a vulnerability found in the Linux kernel's IP framework for transforming packets (XFRM subsystem), affecting multiple products. With CAP_NET_ADMIN privileges, a malicious user can exploit this flaw to directly dereference a NULL pointer in xfrm_update_ae_params(), potentially causing a kernel crash and denial of service. The vulnerability has a base severity rating of MEDIUM, with a base score of 4.4, and an impact score of 3.6. It requires high privileges to exploit and has a local attack vector. The confidentiality and integrity impacts are none, but the availability impact is high. The recommended remediation for this vulnerability is not provided in the given information.

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