CVE-2023-53507
BaseFortify
Publication date: 2025-10-01
Last updated on: 2025-10-02
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mellanox | mlx5_core | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is in the Linux kernel's mlx5 driver. When a network interface is down, the mlx5 driver fails to unregister its devlink parameters, which causes a warning and potentially improper resource handling. The fix involves unregistering these devlink parameters even when the interface is down to prevent this issue.
How can this vulnerability impact me? :
The impact of this vulnerability is that if the mlx5 network interface is down, the driver does not properly unregister devlink parameters, which leads to warnings and may cause resource management issues or instability in the system related to the mlx5 driver.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by monitoring system logs for warnings related to devlink parameters not being unregistered when an interface is down. Specifically, look for kernel warning messages similar to: "WARNING: CPU: ... at net/core/devlink.c:9042 devlink_free+0x174/0x1fc". You can use commands like 'dmesg | grep devlink' or 'journalctl -k | grep devlink' to find such warnings in the kernel logs.
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation involves updating the Linux kernel to a version where this issue is fixed, which unregisters devlink parameters properly when an interface is down. Until then, monitoring for the warning messages and avoiding interface shutdowns that trigger this condition may help reduce impact.