5.5

CVE-2025-21802

net: hns3: fix oops when unload drivers paralleling

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.19.214 < 4.20
Linux ≫ Linux Kernel Version >= 5.4.156 < 5.5
Linux ≫ Linux Kernel Version >= 5.10.76 < 5.10.235
Linux ≫ Linux Kernel Version >= 5.14.15 < 5.15
Linux ≫ Linux Kernel Version >= 5.15.1 < 5.15.179
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.129
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.76
Linux ≫ Linux Kernel Version >= 6.7 < 6.12.13
Linux ≫ Linux Kernel Version >= 6.13 < 6.13.2
Linux ≫ Linux Kernel Version5.15 Update-
Linux ≫ Linux Kernel Version5.15 Updaterc7
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.03% 0.087
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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