CVE-2022-49754
High
Description
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedMar 27, 2025
First seenMar 27, 2025
Weakness typeCWE-120CWE-120
How to fix
Update
- linux linux_kernel6.1.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.1 ≤ v < 6.1.9, 6.2 | 6.1.9 |
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