CVE-2022-49754
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix a buffer overflow in mgmt_mesh_add() Smatch Warning: net/bluetooth/mgmt_util.c:375 mgmt_mesh_add() error: __memcpy() 'mesh_tx->param' too small (48 vs 50) Analysis: 'mesh_tx->param' is array of size 48. This is the destination. u8 param[sizeof(struct mgmt_cp_mesh_send) + 29]; // 19 + 29 = 48. But in the caller 'mesh_send' we reject only when len > 50. len > (MGMT_MESH_SEND_SIZE + 31) // 19 + 31 = 50.
- Score
- CVSS 3.1 7.8 High
- Status
- Modified - 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- Published
- 2025-03-27
- Last modified
- 2026-05-11
- Weaknesses
- CWE-120
Affected products
References
- https://git.kernel.org/stable/c/2185e0fdbb2137f22a9dd9fcbf6481400d56299b
- https://git.kernel.org/stable/c/ed818fd8c531abf561b379995ee7cc4c68029464