CVE-2026-43013None▾ SunlitIn 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. Cons…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
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.
Linux >= 7f46a0b7327ae261f9981888708dbca22c283900 < a3db46d5f4df92630a96f7bc77b60e75c2353e06Linux >= 7f46a0b7327ae261f9981888708dbca22c283900 < 7129632cab3e4d23510b21930aa73b8d97a859f5Linux >= 7f46a0b7327ae261f9981888708dbca22c283900 < cfa774e6c920c81e700327bf10db8cb50d5db456Linux >= 7f46a0b7327ae261f9981888708dbca22c283900 < c53cf44588a93000f71817a6bb87a66353c48deeLinux >= 7f46a0b7327ae261f9981888708dbca22c283900 < 89c65f2fcd8801365b410f40a427cbcd7f4c28e9Linux >= 7f46a0b7327ae261f9981888708dbca22c283900 < bf16bca6653679d8a514d6c1c5a2c67065033f14Linux 5.19Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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