{"cve":"CVE-2026-98593","nvd":{"published":"2026-10-18T16:17:11.933","modified":"2026-10-19T10:19:20.473","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/debug: Fix NULL pointer dereference in debug_info_copy()\n\nWhen debug_register_static() fails, it clears areas, active_pages and\nactive_entries but leaves the area bounds unchanged. Copying such an\narea, either by opening its view file or via debug_dump(), makes\ndebug_info_copy() dereference the NULL pointers.\n\nSkip the copy loop when the source has no areas.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/012bfcd5a51082d5a65f096dfb9ca652b5267965","https://git.kernel.org/stable/c/13decd3b3b3a4d8a2e603fb8c9ffde0c6be3c225","https://git.kernel.org/stable/c/2de9c458cc49d8db6408a7c5fbf0c7c94fe4d52b","https://git.kernel.org/stable/c/33f706884821da9cb55b650b7b1d4f2bdf800137","https://git.kernel.org/stable/c/9c6af88fbefbe77608b77409df23a1617e28398c"],"products":[],"source":"nvd","synced_at":"2026-10-19T23:00:53.604569364+00:00"},"epss":{"cve":"CVE-2026-98593","score":0.00173,"percentile":0.06616,"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."]}