Security Advisory

CVE-2026-72236

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-15 05:54:25

Last updated 2026-08-23 12:47:04

Assigner Linux

CVSS score not scored

State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: s390/perf_cpum_cf: Add missing array_index_nospec() to __hw_perf_event_init() ev variable is userspace controlled via event->attr.config and used as an array index after bounds checking, but without speculation barriers. Add the missing array_index_nospec() call to prevent speculative execution.

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