{"cve":"CVE-2026-72236","nvd":{"published":"2026-08-15T06:21:50.633","modified":"2026-08-23T13:16:42.093","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/perf_cpum_cf: Add missing array_index_nospec() to __hw_perf_event_init()\n\nev variable is userspace controlled via event->attr.config and used\nas an array index after bounds checking, but without speculation\nbarriers.\n\nAdd the missing array_index_nospec() call to prevent speculative\nexecution.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/27206bb57c47bdbe33bccc78fa7f7e2a719a06b9","https://git.kernel.org/stable/c/49145bce539117db4b6e9e83c0e5ef528e361050","https://git.kernel.org/stable/c/4c249b214c686f9a1c4cf4f32893b59b189e897a","https://git.kernel.org/stable/c/a21f3615c88421df81060b6ff89220fd34094c4d","https://git.kernel.org/stable/c/f79dff8c721bbb1f3fc312ea55e0551c2cc28801"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:48:17.459049833+00:00"},"epss":{"cve":"CVE-2026-72236","score":0.00227,"percentile":0.13546,"date":"2026-10-31"},"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."]}