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CVE PROGRAM SOURCE RECORDUnscored

CVE-2026-72236

s390/perf_cpum_cf: Add missing array_index_nospec() to __hw_perf_event_init()

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 212188a596d17d519842ef2173150315735b54e1 to < 4c249b214c686f9a1c4cf4f32893b59b189e897aaffected
  • 212188a596d17d519842ef2173150315735b54e1 to < 27206bb57c47bdbe33bccc78fa7f7e2a719a06b9affected
  • 212188a596d17d519842ef2173150315735b54e1 to < a21f3615c88421df81060b6ff89220fd34094c4daffected
  • 212188a596d17d519842ef2173150315735b54e1 to < fa1ebae4206e6afc8caa642e9eb1bbe39a9a724faffected
  • 212188a596d17d519842ef2173150315735b54e1 to < f79dff8c721bbb1f3fc312ea55e0551c2cc28801affected
  • 212188a596d17d519842ef2173150315735b54e1 to < 49145bce539117db4b6e9e83c0e5ef528e361050affected

Linux Linux

Default version status: affected

  • 3.4affected
  • 0 to < 3.4unaffected
  • 6.1.184 to ≤ 6.1.*unaffected
  • 6.6.145 to ≤ 6.6.*unaffected
  • 6.12.97 to ≤ 6.12.*unaffected
  • 6.18.40 to ≤ 6.18.*unaffected
  • 7.1.5 to ≤ 7.1.*unaffected
  • 7.2 to ≤ *unaffected

References