{"id":"CVE-2025-40213","title":"Bluetooth: MGMT: fix crash in set_mesh_sync and set_mesh_complete","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: MGMT: fix crash in set_mesh_sync and set_mesh_complete\n\nThere is a BUG: KASAN: stack-out-of-bounds in set_mesh_sync due to\nmemcpy from badly declared on-stac…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 0b60eb04b8524e1b4b3f07fea0d16fda9a677d9a < 31d6c9216aa1be18ba317239738f73b0b0c7b691","Linux >= d71b98f253b079cbadc83266383f26fe7e9e103b < 5c19daa93d9af29f1f46251b47e1ea66bcc8d679","Linux >= 302a1f674c00dd5581ab8e493ef44767c5101aab < 1c9aca1787e8395a2c59fef20e914467958969c5","Linux >= 302a1f674c00dd5581ab8e493ef44767c5101aab < e8785404de06a69d89dcdd1e9a0b6ea42dc6d327","Linux 87a1f16f07c6c43771754075e08f45b41d237421","Linux >= 6.6.140 < 6.6.160","Linux >= 6.16.10 < 6.17","Linux 6.17"],"published":"2025-11-24","updated":"2026-10-21","sourceUpdated":"2026-10-21T12:37:53.837Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-40213","references":[{"url":"https://git.kernel.org/stable/c/31d6c9216aa1be18ba317239738f73b0b0c7b691"},{"url":"https://git.kernel.org/stable/c/5c19daa93d9af29f1f46251b47e1ea66bcc8d679"},{"url":"https://git.kernel.org/stable/c/1c9aca1787e8395a2c59fef20e914467958969c5"},{"url":"https://git.kernel.org/stable/c/e8785404de06a69d89dcdd1e9a0b6ea42dc6d327"}],"tags":["cve.org"],"epss":0.00193,"epssPercentile":0.08947,"ingestedAt":"2026-10-21T12:48:53.681Z","slug":"CVE-2025-40213","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: MGMT: fix crash in set_mesh_sync and set_mesh_complete\n\nThere is a BUG: KASAN: stack-out-of-bounds in set_mesh_sync due to\nmemcpy from badly declared on-stack flexible array.\n\nAnother crash is in set_mesh_complete() due to double list_del via\nmgmt_pending_valid + mgmt_pending_remove.\n\nUse DEFINE_FLEX to declare the flexible array right, and don't memcpy\noutside bounds.\n\nAs mgmt_pending_valid removes the cmd from list, use mgmt_pending_free,\nand also report status on error.\n\n## Affected\n\n- `Linux >= 0b60eb04b8524e1b4b3f07fea0d16fda9a677d9a < 31d6c9216aa1be18ba317239738f73b0b0c7b691`\n- `Linux >= d71b98f253b079cbadc83266383f26fe7e9e103b < 5c19daa93d9af29f1f46251b47e1ea66bcc8d679`\n- `Linux >= 302a1f674c00dd5581ab8e493ef44767c5101aab < 1c9aca1787e8395a2c59fef20e914467958969c5`\n- `Linux >= 302a1f674c00dd5581ab8e493ef44767c5101aab < e8785404de06a69d89dcdd1e9a0b6ea42dc6d327`\n- `Linux 87a1f16f07c6c43771754075e08f45b41d237421`\n- `Linux >= 6.6.140 < 6.6.160`\n- `Linux >= 6.16.10 < 6.17`\n- `Linux 6.17`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}