Informazioni sul CVE-2024-36004
i40e: Do not use WQ_MEM_RECLAIM flag for workqueue
CWE ID: N/A
Base Score (CVSS): N/A
CVE: CVE-2024-36004
Descrizione: This log snippet is from a Linux kernel driver, specifically related to the `irdma` driver. Let’s break down what it means: **What’s Happening?** * **`irdma` Driver:** This is a driver that manages the `ird` (Internet Routing Data) protocol, which is used for transferring data over IP networks. It’s a low-level driver that handles the actual routing of data packets. * **`__warn+0x80/0x130`:** This is a warning message. It suggests a potential issue with the driver’s internal state. * **`__flush_workqueue+0x126/0x3f0`:** This is a critical message. It indicates that the driver is flushing its internal work queue. This queue manages tasks that are currently in progress. Flushing the queue can sometimes lead to unexpected behavior. * **`ib_cache_cleanup_one+0x1c/0xe0 [ib_core]` and `ib_unregister_device_and_put+0x34/0x50 [irdma]`:** These are messages related to the `ib` (Internet Bonding) library, which is used for managing network connections. Specifically, they’re cleaning up resources associated with the `irdma` driver. **Interpretation of the Log Entries** 1. **`__warn+0x80/0x130`:** This is the most immediate concern. The driver is experiencing a problem with its internal state. The exact cause isn’t specified, but it likely relates to a state change that’s causing the warning. 2. **`__flush_workqueue+0x126/0x3f0`:** This is a significant event. The driver is actively flushing its internal work queue. This is a routine operation, but it’s being triggered by a potential issue. 3. **`ib_cache_cleanup_one+0x1c/0xe0 [ib_core]` and `ib_unregister_device_and_put+0x34/0x50 [irdma]`:** These messages are related to cleaning up resources associated with the `irdma` driver. The `ib_unregister_device_and_put` command is likely used to release resources held by the driver. **Possible Causes (Speculation – Kernel Drivers are Complex!)** Without more context, it’s hard to pinpoint the exact cause. However, here are some *possible* reasons for this log message: * **Memory Corruption:** A memory error within the driver’s code could be causing the warning. * **Driver State Change:** The driver might be transitioning to a different state, and the flushing of the work queue is a consequence of that transition. * **Resource Leak:** The driver might be leaking a resource that’s being cleaned up. * **Concurrency Issues:** The driver might be encountering a race condition or other concurrency problem that’s triggering the warning. **What to Do (If You’re a System Administrator/Developer)** * **Monitor the Driver:** Keep an eye on the driver’s status in the system logs. Look for any further warnings or errors. * **Check Driver Version:** Ensure you’re running a relatively recent version of the `irdma` driver. Older versions might have known bugs. * **Review Recent Changes:** If there have been any recent changes to the driver’s code or configuration, investigate those changes. * **Consider a Rollback:** If the issue started after a recent update, consider rolling back to a previous version of the driver. **In short, this log indicates a potential issue with the `irdma` driver’s internal state, prompting investigation and monitoring.** **Disclaimer:** *I am an AI and cannot provide definitive technical advice. This analysis is based on the provided log snippet and general knowledge of kernel drivers.*
Vettore di attacco
Punteggio CVSS
Il CVSS è un sistema di valutazione che misura la gravità di una vulnerabilità informatica considerando fattori come l’impatto potenziale, la probabilità di attacco e la facilità di esecuzione.
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Riferimenti esterni
- https://git.kernel.org/stable/c/09b54d29f05129b092f7c793a70b689ffb3c7b2c
- https://git.kernel.org/stable/c/546d0fe9d76e8229a67369f9cb61e961d99038bd
- https://git.kernel.org/stable/c/fbbb2404340dd6178e281bd427c271f7d5ec1d22
- https://git.kernel.org/stable/c/ff7431f898dd00892a545b7d0ce7adf5b926944f
- https://git.kernel.org/stable/c/152ed360cf2d273f88fc99a518b7eb868aae2939
- https://git.kernel.org/stable/c/8d6105f637883c8c09825e962308c06e977de4f0
- https://git.kernel.org/stable/c/1594dac8b1ed78f9e75c263327e198a2e5e25b0e
- https://git.kernel.org/stable/c/2cc7d150550cc981aceedf008f5459193282425c
Prodotti interessati
- Linux – Linux
- Linux – Linux