CVE-2026-23042

medium

Description

In the Linux kernel, the following vulnerability has been resolved: idpf: fix aux device unplugging when rdma is not supported by vport If vport flags do not contain VIRTCHNL2_VPORT_ENABLE_RDMA, driver does not allocate vdev_info for this vport. This leads to kernel NULL pointer dereference in idpf_idc_vport_dev_down(), which references vdev_info for every vport regardless. Check, if vdev_info was ever allocated before unplugging aux device.

References

https://git.kernel.org/stable/c/4648fb2f2e7210c53b85220ee07d42d1e4bae3f9

https://git.kernel.org/stable/c/0ad6d6e50e9d8bf596cfe77a882ddc20b29f525a

Details

Source: Mitre, NVD

Published: 2026-02-04

Updated: 2026-02-04

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00018