{"cve":"CVE-2021-47405","nvd":{"published":"2024-05-21T15:15:26.030","modified":"2026-06-17T04:17:23.873","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: usbhid: free raw_report buffers in usbhid_stop\n\nFree the unsent raw_report buffers when the device is removed.\n\nFixes a memory leak reported by syzbot at:\nhttps://syzkaller.appspot.com/bug?id=7b4fa7cb1a7c2d3342a2a8a6c53371c8c418ab47","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-401"],"references":["https://git.kernel.org/stable/c/2b704864c92dcec2b295f276fcfbfb81d9831f81","https://git.kernel.org/stable/c/764ac04de056801dfe52a716da63f6e7018e7f3b","https://git.kernel.org/stable/c/7ce4e49146612261265671b1d30d117139021030","https://git.kernel.org/stable/c/965147067fa1bedff3ae1f07ce3f89f1a14d2df3","https://git.kernel.org/stable/c/c3156fea4d8a0e643625dff69a0421e872d1fdae"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2021-47405","score":0.00251,"percentile":0.16503,"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."]}