Arithmetic Overflow Vulnerability in Linux Kernel Affecting Network Driver
CVE-2023-53661

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 7 October 2025

What is CVE-2023-53661?

An arithmetic overflow issue exists within the Linux kernel's bnxt network driver due to improper expression handling. This vulnerability arises from an oversight in casting operands to a larger data type before computation. By utilizing a macro for multiplication instead of direct operators, potential overflow scenarios can be effectively avoided. This flaw was identified by Security Code and the Linux Verification Center, emphasizing the necessity for diligent coding practices in kernel development.

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