{"cve":"CVE-2021-47653","nvd":{"published":"2025-02-26T06:37:07.080","modified":"2026-06-17T04:18:15.223","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: davinci: vpif: fix use-after-free on driver unbind\n\nThe driver allocates and registers two platform device structures during\nprobe, but the devices were never deregistered on driver unbind.\n\nThis results in a use-after-free on driver unbind as the device\nstructures were allocated using devres and would be freed by driver\ncore when remove() returns.\n\nFix this by adding the missing deregistration calls to the remove()\ncallback and failing probe on registration errors.\n\nNote that the platform device structures must be freed using a proper\nrelease callback to avoid leaking associated resources like device\nnames.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-416"],"references":["https://git.kernel.org/stable/c/43acb728bbc40169d2e2425e84a80068270974be","https://git.kernel.org/stable/c/6512c3c39cb6b573b791ce45365818a38b76afbe","https://git.kernel.org/stable/c/9ffc602e14d7b9f7e7cb2f67e18dfef9ef8af676","https://git.kernel.org/stable/c/b5a3bb7f6f164eb6ee74ef4898dcd019b2063448"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2021-47653","score":0.00268,"percentile":0.18951,"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."]}