{"cve":"CVE-2026-23042","nvd":{"published":"2026-02-04T16:16:19.680","modified":"2026-06-17T10:20:45.737","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nidpf: fix aux device unplugging when rdma is not supported by vport\n\nIf vport flags do not contain VIRTCHNL2_VPORT_ENABLE_RDMA, driver does not\nallocate vdev_info for this vport. This leads to kernel NULL pointer\ndereference in idpf_idc_vport_dev_down(), which references vdev_info for\nevery vport regardless.\n\nCheck, if vdev_info was ever allocated before unplugging aux device.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/0ad6d6e50e9d8bf596cfe77a882ddc20b29f525a","https://git.kernel.org/stable/c/4648fb2f2e7210c53b85220ee07d42d1e4bae3f9"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:22:27.261130201+00:00"},"epss":{"cve":"CVE-2026-23042","score":0.00174,"percentile":0.06798,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}