{"cve":"CVE-2026-43069","nvd":{"published":"2026-05-05T16:16:16.197","modified":"2026-06-17T10:48:52.563","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_ll: Fix firmware leak on error path\n\nSmatch reports:\n\ndrivers/bluetooth/hci_ll.c:587 download_firmware() warn:\n'fw' from request_firmware() not released on lines: 544.\n\nIn download_firmware(), if request_firmware() succeeds but the returned\nfirmware content is invalid (no data or zero size), the function returns\nwithout releasing the firmware, resulting in a resource leak.\n\nFix this by calling release_firmware() before returning when\nrequest_firmware() succeeded but the firmware content is invalid.","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/28904375d54b436a757641fb0331537778c0de5a","https://git.kernel.org/stable/c/31148a7be723aa9f2e8fbd62424825ab8d577973","https://git.kernel.org/stable/c/5213ef54528dd1ac79b846e30d8f72ce092794aa","https://git.kernel.org/stable/c/95e8601af227b2b4390eecf8db6abdb9f6a91f17","https://git.kernel.org/stable/c/9ecbfd93cd6de6c78cb7fd51fe079e36c7ff074b"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:33:55.586217763+00:00"},"epss":{"cve":"CVE-2026-43069","score":0.00114,"percentile":0.0148,"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."]}