CVE-2026-43013
MEDIUM
MEDIUM
Priority: 0.01
BB Relevance:
36/100
Published: 2026-05-01
Modified: 2026-11-11
First seen: 2026-11-06
Status: active
Attack Surface
Low Complexity
No Interaction
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
Low
UI:
None
S:
Unchanged
C:
None
I:
None
A:
High
Description
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: lag: Check for LAG device before creating debugfs __mlx5_lag_dev_add_mdev() may return 0 (success) even when an error occurs that is handled gracefully. Consequently, the initialization flow proceeds to call mlx5_ldev_add_debugfs() even when there is no valid LAG context. mlx5_ldev_add_debugfs() blindly created the debugfs directory and attributes. This exposed interfaces (like the members file) that rely on a valid ldev pointer, leading to potential NULL pointer dereferences if accessed when ldev is NULL. Add a check to verify that mlx5_lag_dev(dev) returns a valid pointer before attempting to create the debugfs entries.
Weakness Classification (1)
Affected Software (14)
| Vendor | Product | Version |
|---|---|---|
| Linux | Linux | 7f46a0b7327ae261f9981888708dbca22c283900 < a3db46d5f4df92630a96f7bc77b60e75c2353e06 |
| Linux | Linux | 7f46a0b7327ae261f9981888708dbca22c283900 < 7129632cab3e4d23510b21930aa73b8d97a859f5 |
| Linux | Linux | 7f46a0b7327ae261f9981888708dbca22c283900 < cfa774e6c920c81e700327bf10db8cb50d5db456 |
| Linux | Linux | 7f46a0b7327ae261f9981888708dbca22c283900 < c53cf44588a93000f71817a6bb87a66353c48dee |
| Linux | Linux | 7f46a0b7327ae261f9981888708dbca22c283900 < 89c65f2fcd8801365b410f40a427cbcd7f4c28e9 |
| Linux | Linux | 7f46a0b7327ae261f9981888708dbca22c283900 < bf16bca6653679d8a514d6c1c5a2c67065033f14 |
| Linux | Linux | 5.19 |
| linux | linux_kernel | 5.19 – 6.1.168 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |