{"cve":"CVE-2021-47659","nvd":{"published":"2025-02-26T06:37:07.640","modified":"2026-06-17T04:18:16.257","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/plane: Move range check for format_count earlier\n\nWhile the check for format_count > 64 in __drm_universal_plane_init()\nshouldn't be hit (it's a WARN_ON), in its current position it will then\nleak the plane->format_types array and fail to call\ndrm_mode_object_unregister() leaking the modeset identifier. Move it to\nthe start of the function to avoid allocating those resources in the\nfirst place.","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/1e29d829ad51d1472dd035487953a6724b56fc33","https://git.kernel.org/stable/c/4ab7e453a3ee88c274cf97bee9487ab92a66d313","https://git.kernel.org/stable/c/4b674dd69701c2e22e8e7770c1706a69f3b17269","https://git.kernel.org/stable/c/787163d19bc3cdc6ca4b96223f62208534d1cf6b","https://git.kernel.org/stable/c/978e3d023256bfaf34a0033d40c94e8a8e70cf3c"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2021-47659","score":0.00267,"percentile":0.1892,"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."]}