CVE-2026-72236s390/perf_cpum_cf: Add missing array_index_nospec() to __hw_perf_event_init()
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Aug 23, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | 212188a596d17d519842ef2173150315735b54e1 builds before 4c249b214c686f9a1c4cf4f32893b59b189e897a; 212188a596d17d519842ef2173150315735b54e1 builds before 27206bb57c47bdbe33bccc78fa7f7e2a719a06b9; from 212188a596d17d519842ef2173150315735b54e1 before a21f3615c88421df81060b6ff89220fd34094c4d; from 212188a596d17d519842ef2173150315735b54e1 before fa1ebae4206e6afc8caa642e9eb1bbe39a9a724f; from 212188a596d17d519842ef2173150315735b54e1 before f79dff8c721bbb1f3fc312ea55e0551c2cc28801; 212188a596d17d519842ef2173150315735b54e1 builds before 49145bce539117db4b6e9e83c0e5ef528e361050 | CNA record |
References
- https://git.kernel.org/stable/c/4c249b214c686f9a1c4cf4f32893b59b189e897a
- https://git.kernel.org/stable/c/27206bb57c47bdbe33bccc78fa7f7e2a719a06b9
- https://git.kernel.org/stable/c/a21f3615c88421df81060b6ff89220fd34094c4d
- https://git.kernel.org/stable/c/fa1ebae4206e6afc8caa642e9eb1bbe39a9a724f
- https://git.kernel.org/stable/c/f79dff8c721bbb1f3fc312ea55e0551c2cc28801
- https://git.kernel.org/stable/c/49145bce539117db4b6e9e83c0e5ef528e361050
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.