vulnerability
Debian: CVE-2022-49754: linux -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:N/A:C) | Mar 27, 2025 | Mar 31, 2025 | Apr 16, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:N/A:C)
Published
Mar 27, 2025
Added
Mar 31, 2025
Modified
Apr 16, 2025
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.
Solution
debian-upgrade-linux
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