CVE intelligence and bounded remediation

CVE-2025-22116 — Linux Linux Kernel security vulnerability

Medium CVSS 5.5

In the Linux kernel, the following vulnerability has been resolved: idpf: check error for register_netdev() on init Current init logic ignores the error code from register_netdev(), which will cause WARN_ON() on attempt to unregister it, if there was one, and there is no info for the user that the creation of the netdev failed. WARNING: CPU: 89 PID: 6902 at net/core/dev.c:11512 unregister_netdevice_many_notify+0x211/0x1a10 ... [ 3707.563641] unregister_netdev+0x1c/0x30 [ 3707.563656] idpf_vport_dealloc+0x5cf/0xce0 [idpf] [ 3707.563684] idpf_deinit_task+0xef/0x160 [idpf] [ 3707.563712] idpf_vc_core_deinit+0x84/0x320 [idpf] [ 3707.563739] idpf_remove+0xbf/0x780 [idpf] [ 3707.563769] pci_device_remove+0xab/0x1e0 [ 3707.563786] device_release_driver_internal+0x371/0x530 [ 3707.563803] driver_detach+0xbf/0x180 [ 3707.563816] bus_remove_driver+0x11b/0x2a0 [ 3707.563829] pci_unregister_driver+0x2a/0x250 Introduce an error check and log the vport number and error code. On removal make sure to check VPORT_REG_NETDEV flag prior to calling unregister and free on the netdev. Add local variables for idx, vport_config and netdev for readability.

Severity
Medium
CVSS
5.5 (3.1)
Published
2025-04-16
CISA KEV
Not currently listed
Ecosystem
linux/kernel

Affected products

  • linux / linux_kernel

Matched remediation archetype

General vulnerability remediation

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Confirm the affected component, deployment paths, reachable interfaces, and enabled features from inventories and configuration, without probing production destructively.
  • Compare the advisory's affected conditions with the repository lockfiles, build manifests, artifacts, and runtime inventory.
  • Identify data sensitivity, trust boundaries, and privilege level for every confirmed affected deployment.

Remediate safely

  • Apply a vendor-supported fix or remove the affected component or feature; record the selected change and its source in the repository.
  • Update direct and transitive dependency locks, generated artifacts, deployment manifests, and asset inventories together.
  • Add a regression test for the documented unsafe condition using inert inputs and preserve rollback instructions.

Authoritative sources

Complete CVE record and remediation plan

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