CVSS Score of 10 (low)


Published Jun 28, 2023
Updated: Mar 27, 2024
CWE ID 416


CVE-2023-3390 is a use-after-free vulnerability found in the Linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c. The vulnerability is caused by mishandled error handling with NFT_MSG_NEWRULE, allowing a local attacker with user access to exploit a dangling pointer and escalate privileges. The affected products include various Linux kernel versions. To remediate this vulnerability, it is recommended to upgrade to commit 1240eb93f0616b21c675416516ff3d74798fdc97 or later. This vulnerability poses a high danger to organizations as it could be exploited by an attacker with local access to gain elevated privileges, potentially leading to unauthorized access, data breaches, or further compromise of the system.

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