{"cve":"CVE-2026-98476","nvd":{"published":"2026-10-18T16:16:58.130","modified":"2026-10-19T10:18:58.260","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/cio: Fix NULL pointer dereference in ccw_device_get_util_str()\n\nThe channel path registry entry associated with a CHPID may be removed\nwhile the subchannel's PMCW still references that CHPID. In this case,\nchpid_to_chp() can return NULL, leading to a NULL pointer dereference.\n\nAdd the missing NULL check before dereferencing the returned pointer.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/27e396a89f76f742abdbe9f8c4a58a6e806fdf59","https://git.kernel.org/stable/c/44b16b02608058fc72198ac0205969f0f43065df","https://git.kernel.org/stable/c/5b76268dac968612f7283d59b539036de955b7d9","https://git.kernel.org/stable/c/5e006ac90a4d331db1dd712b91fec849b45ffc01","https://git.kernel.org/stable/c/5fc54e04dad90b15d0430118b3f288a1d64e66c9"],"products":[],"source":"nvd","synced_at":"2026-10-19T23:00:53.604569364+00:00"},"epss":{"cve":"CVE-2026-98476","score":0.00177,"percentile":0.0716,"date":"2026-10-25"},"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."]}