CVE-2026-72236
s390/perf_cpum_cf: Add missing array_index_nospec() to __hw_perf_event_init()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 15, 2026 |
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Affected Versions
Linux / Linux
212188a596d17d519842ef2173150315735b54e1 < 27206bb57c47bdbe33bccc78fa7f7e2a719a06b9 212188a596d17d519842ef2173150315735b54e1 < a21f3615c88421df81060b6ff89220fd34094c4d 212188a596d17d519842ef2173150315735b54e1 < fa1ebae4206e6afc8caa642e9eb1bbe39a9a724f 212188a596d17d519842ef2173150315735b54e1 < f79dff8c721bbb1f3fc312ea55e0551c2cc28801 212188a596d17d519842ef2173150315735b54e1 < 49145bce539117db4b6e9e83c0e5ef528e361050
Linux / Linux
3.4
References
git.kernel.org: https://git.kernel.org/stable/c/27206bb57c47bdbe33bccc78fa7f7e2a719a06b9 git.kernel.org: https://git.kernel.org/stable/c/a21f3615c88421df81060b6ff89220fd34094c4d git.kernel.org: https://git.kernel.org/stable/c/fa1ebae4206e6afc8caa642e9eb1bbe39a9a724f git.kernel.org: https://git.kernel.org/stable/c/f79dff8c721bbb1f3fc312ea55e0551c2cc28801 git.kernel.org: https://git.kernel.org/stable/c/49145bce539117db4b6e9e83c0e5ef528e361050