{"cve":"CVE-2023-53553","nvd":{"published":"2025-10-04T16:15:50.590","modified":"2026-06-17T06:45:35.487","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: hyperv: avoid struct memcpy overrun warning\n\nA previous patch addressed the fortified memcpy warning for most\nbuilds, but I still see this one with gcc-9:\n\nIn file included from include/linux/string.h:254,\n                 from drivers/hid/hid-hyperv.c:8:\nIn function 'fortify_memcpy_chk',\n    inlined from 'mousevsc_on_receive' at drivers/hid/hid-hyperv.c:272:3:\ninclude/linux/fortify-string.h:583:4: error: call to '__write_overflow_field' declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Werror=attribute-warning]\n  583 |    __write_overflow_field(p_size_field, size);\n      |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\nMy guess is that the WARN_ON() itself is what confuses gcc, so it no\nlonger sees that there is a correct range check. Rework the code in a\nway that helps readability and avoids the warning.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/5f151364b1da6bd217632fd4ee8cc24eaf66a497","https://git.kernel.org/stable/c/a7902cc5f5b9c95997017c8e309da760fb1deb6e"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:11:26.888974865+00:00"},"epss":{"cve":"CVE-2023-53553","score":0.0014,"percentile":0.03328,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}