CVE-2025-21743 usbnet: ipheth: fix possible overflow in DPE length check

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Multiple CVEs Addressed in usbnet: ipheth Vulnerabilities Three vulnerabilities in the usbnet: ipheth driver have been reported, identified as CVE-2025-21741, CVE-2025-21742, and CVE-2025-21743. These issues include an out-of-bounds read, a potential overflow in the DPE length check, and a static NDP16 location usage in URB. All vulnerabilities were published on February 27, 2025. 3 sources 39