CVE-2025-22092

PCI: Fix NULL dereference in SR-IOV VF creation error path

Description

In the Linux kernel, the following vulnerability has been resolved: PCI: Fix NULL dereference in SR-IOV VF creation error path Clean up when virtfn setup fails to prevent NULL pointer dereference during device removal. The kernel oops below occurred due to incorrect error handling flow when pci_setup_device() fails. Add pci_iov_scan_device(), which handles virtfn allocation and setup and cleans up if pci_setup_device() fails, so pci_iov_add_virtfn() doesn't need to call pci_stop_and_remove_bus_device(). This prevents accessing partially initialized virtfn devices during removal. BUG: kernel NULL pointer dereference, address: 00000000000000d0 RIP: 0010:device_del+0x3d/0x3d0 Call Trace: pci_remove_bus_device+0x7c/0x100 pci_iov_add_virtfn+0xfa/0x200 sriov_enable+0x208/0x420 mlx5_core_sriov_configure+0x6a/0x160 [mlx5_core] sriov_numvfs_store+0xae/0x1a0 [bhelgaas: commit log, return ERR_PTR(-ENOMEM) directly]

N/A

CVSS

Severity:

EPSS 0.03%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/ef421b4d206f0d3681804b8f94f06a8458a53aaf
https://git.kernel.org/stable/c/c67a233834b778b8c78f8b62c072ccf87a9eb6d0
https://git.kernel.org/stable/c/04d50d953ab46d96b0b32d5ad955fceaa28622db

Frequently Asked Questions

What is the severity of CVE-2025-22092?: CVE-2025-22092 has not yet been assigned a CVSS score.
How to fix CVE-2025-22092?: To fix CVE-2025-22092, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-22092 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-22092 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-22092?: CVE-2025-22092 affects Linux Linux, Linux Linux.

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