{"cve":"CVE-2026-98651","nvd":{"published":"2026-10-18T16:17:18.387","modified":"2026-10-19T10:19:29.580","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: Properly handle NULL pointer in dat_cond_set_storage_key()\n\nSome callers pass NULL as oldkey. Calling page_cond_set_storage_key()\nwill cause that NULL pointer to get dereferenced.\n\nFix by checking for NULL and assigning the pointer to a dummy local\nvariable to avoid crashes.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/75867536746ab2d034488a6a93ee6cde83553342","https://git.kernel.org/stable/c/88e22ffd1e46b95e40a6afabe486deb1d31a3ae1"],"products":[],"source":"nvd","synced_at":"2026-10-19T23:00:53.604569364+00:00"},"epss":{"cve":"CVE-2026-98651","score":0.00155,"percentile":0.04639,"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."]}