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CVE-2022-50498 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: eth: alx: take rtnl_lock on resume Zbynek reports that alx trips an rtnl assertion on resume: RTNL: assertion failed at net/core/dev.c (2891) RIP: 0010:netif_set_real_num_tx_queues+0x1ac/0x1c0 Call Trace: <TASK> __alx_open+0x230/0x570 [alx] alx_resume+0x54/0x80 [alx] ? pci_legacy_resume+0x80/0x80 dpm_run_callback+0x4a/0x150 device_resume+0x8b/0x190 async_resume+0x19/0x30 async_run_entry_fn+0x30/0x130 process_one_work+0x1e5/0x3b0 indeed the driver does not hold rtnl_lock during its internal close and re-open functions during suspend/resume. Note that this is not a huge bug as the driver implements its own locking, and does not implement changing the number of queues, but we need to silence the splat.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/6ad1c94e1e7e374d88f0cfd77936dddb8339aaba kernel.org
https://git.kernel.org/stable/c/6f1991a940b90753b34570f093a21dba366e8cc0 kernel.org
https://git.kernel.org/stable/c/a845a0c4bdece2c0073ecea2fca7c4d5f0550f78 kernel.org
https://git.kernel.org/stable/c/c0323c0fd07804d5874699e93f935cda0d989c67 kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-50498
NVD Published Date:
10/04/2025
NVD Last Modified:
10/04/2025
Source:
kernel.org