{"id":"CVE-2025-21936","summary":"Bluetooth: Add check for mgmt_alloc_skb() in mgmt_device_connected()","details":"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.","modified":"2026-04-02T12:45:17.240885Z","published":"2025-04-01T15:41:03.845Z","related":["SUSE-SU-2025:01614-1","SUSE-SU-2025:01707-1","SUSE-SU-2025:01919-1","SUSE-SU-2025:01951-1","SUSE-SU-2025:01964-1","SUSE-SU-2025:01967-1","SUSE-SU-2025:20192-1","SUSE-SU-2025:20206-1","SUSE-SU-2025:20270-1","SUSE-SU-2025:20283-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21936.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/7841180342c9a0fd97d54f3e62c7369309b5cd84"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7d39387886ffe220323cbed5c155233c3276926b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bdb1805c248e9694dbb3ffa8867cef2e52cf7261"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d8df010f72b8a32aaea393e36121738bb53ed905"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dc516e66fb28c61b248b393e2ddd63bd7f104969"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21936.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21936"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e96741437ef0a5d18144e790ac894397efda0924"},{"fixed":"dc516e66fb28c61b248b393e2ddd63bd7f104969"},{"fixed":"bdb1805c248e9694dbb3ffa8867cef2e52cf7261"},{"fixed":"7841180342c9a0fd97d54f3e62c7369309b5cd84"},{"fixed":"7d39387886ffe220323cbed5c155233c3276926b"},{"fixed":"d8df010f72b8a32aaea393e36121738bb53ed905"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-21936.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}