Transport Header Vulnerability in Linux Kernel

CVE-2023-53439

What is CVE-2023-53439?

A vulnerability exists in the Linux kernel related to the improper handling of the transport header, specifically when the skb_partial_csum_set function is employed. The issue occurs when the transport header is erroneously set to a magic value (0xFFFF), potentially leading to undefined behaviors in network packet processing. Although current exploitation is unlikely beyond fuzzing tools, the integrity of data transfer could be compromised if not patched. Developers and system administrators should ensure they are using the latest versions of the kernel to mitigate risks associated with this vulnerability.

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