{"id":"CVE-2026-72236","summary":"s390/perf_cpum_cf: Add missing array_index_nospec() to __hw_perf_event_init()","details":"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-\u003eattr.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.","modified":"2026-08-18T03:30:50.088156536Z","published":"2026-08-15T05:54:25.891Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72236.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/27206bb57c47bdbe33bccc78fa7f7e2a719a06b9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/49145bce539117db4b6e9e83c0e5ef528e361050"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a21f3615c88421df81060b6ff89220fd34094c4d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f79dff8c721bbb1f3fc312ea55e0551c2cc28801"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fa1ebae4206e6afc8caa642e9eb1bbe39a9a724f"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72236.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72236"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"212188a596d17d519842ef2173150315735b54e1"},{"fixed":"27206bb57c47bdbe33bccc78fa7f7e2a719a06b9"},{"fixed":"a21f3615c88421df81060b6ff89220fd34094c4d"},{"fixed":"fa1ebae4206e6afc8caa642e9eb1bbe39a9a724f"},{"fixed":"f79dff8c721bbb1f3fc312ea55e0551c2cc28801"},{"fixed":"49145bce539117db4b6e9e83c0e5ef528e361050"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72236.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.4.0"},{"fixed":"6.6.145"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.97"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.40"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72236.json"}}],"schema_version":"1.9.0"}