{"cve":"CVE-2025-21936","nvd":{"published":"2025-04-01T16:15:24.467","modified":"2026-06-17T08:44:39.317","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Add check for mgmt_alloc_skb() in mgmt_device_connected()\n\nAdd check for the return value of mgmt_alloc_skb() in\nmgmt_device_connected() to prevent null pointer dereference.","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-476"],"references":["https://git.kernel.org/stable/c/7841180342c9a0fd97d54f3e62c7369309b5cd84","https://git.kernel.org/stable/c/7d39387886ffe220323cbed5c155233c3276926b","https://git.kernel.org/stable/c/bdb1805c248e9694dbb3ffa8867cef2e52cf7261","https://git.kernel.org/stable/c/d8df010f72b8a32aaea393e36121738bb53ed905","https://git.kernel.org/stable/c/dc516e66fb28c61b248b393e2ddd63bd7f104969"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:00:57.946988208+00:00"},"epss":{"cve":"CVE-2025-21936","score":0.00208,"percentile":0.1092,"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."]}