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CVE-2025-21802 In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix oops when unload drivers…
Description
In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix oops when unload drivers paralleling When unload hclge driver, it tries to disable sriov first for each ae_dev node from hnae3_ae_dev_list. If user unloads hns3 driver at the time, because it removes all the ae_dev nodes, and it may cause oops. But we can't simply use hnae3_common_lock for this. Because in the process flow of pci_disable_sriov(), it will trigger the remove flow of VF, which will also take hnae3_common_lock. To fixes it, introduce a new mutex to protect the unload process.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 6.14 | earliest → < 6.14 | 6.14 |
| Linux 6.13 | earliest → < 6.13.2 | 6.13.2 |
| Linux 6.12 | earliest → < 6.12.13 | 6.12.13 |
| Linux 6.6 | earliest → < 6.6.76 | 6.6.76 |
| Linux 6.1 | earliest → < 6.1.129 | 6.1.129 |
| Linux | 5.15 | 5.15.179 |
| Linux 5.10 | earliest → < 5.10.235 | 5.10.235 |
| SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
| SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
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| Product | Affected versions | Fixed in |
|---|---|---|
| SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
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