nfp: flower: handle acti_netdevs allocation failure
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: nfp: flower: handle acti_netdevs allocation failure The kmalloc_array() in nfp_fl_lag_do_work() will return null, if the physical memory has run out. As a result, if we dereference the acti_netdevs, the null pointer dereference bugs will happen. This patch adds a check to judge whether allocation failure occurs. If it happens, the delayed work will be rescheduled and try again.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/d746889db75a76aeee95fb705b8e1ac28c684a2e
- https://git.kernel.org/stable/c/3b1e8a617eb0f4cdc19def530047a95b5abde07d
- https://git.kernel.org/stable/c/928705e341010dd910fdece61ccb974f494a758f
- https://git.kernel.org/stable/c/0d387dc503f9a53e6d1f6e9dd0292d38f083eba5
- https://git.kernel.org/stable/c/c9b4e220dd18f79507803f38a55d53b483f6c9c3
- https://git.kernel.org/stable/c/408ba7fd04f959c61b50db79c983484312fea642
- https://git.kernel.org/stable/c/c8df9203bf22c66fa26e8d8c7f8ce181cf88099d
- https://git.kernel.org/stable/c/9d8eb1238377cd994829f9162ae396a84ae037b2
- https://git.kernel.org/stable/c/84e95149bd341705f0eca6a7fcb955c548805002
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