{"cve":"CVE-2021-46932","nvd":{"published":"2024-02-27T10:15:07.753","modified":"2026-06-17T04:15:53.660","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nInput: appletouch - initialize work before device registration\n\nSyzbot has reported warning in __flush_work(). This warning is caused by\nwork->func == NULL, which means missing work initialization.\n\nThis may happen, since input_dev->close() calls\ncancel_work_sync(&dev->work), but dev->work initalization happens _after_\ninput_register_device() call.\n\nSo this patch moves dev->work initialization before registering input\ndevice","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":["CWE-665"],"references":["https://git.kernel.org/stable/c/292d2ac61fb0d9276a0f7b7ce4f50426f2a1c99f","https://git.kernel.org/stable/c/975774ea7528b489930b76a77ffc4d5379b95ff2","https://git.kernel.org/stable/c/9f329d0d6c91142cf0ad08d23c72dd195db2633c","https://git.kernel.org/stable/c/9f3ccdc3f6ef10084ceb3a47df0961bec6196fd0","https://git.kernel.org/stable/c/a02e1404e27855089d2b0a0acc4652c2ce65fe46"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2021-46932","score":0.00228,"percentile":0.13688,"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."]}