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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-72236
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-15 06:21:50 UTC
Updated2026-08-23 13:16:42 UTC
DescriptionIn 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.

Risk And Classification

EPSS: 0.002150000 probability, percentile 0.122100000 (date 2026-08-17)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 212188a596d17d519842ef2173150315735b54e1 4c249b214c686f9a1c4cf4f32893b59b189e897a git Not specified
CNA Linux Linux affected 212188a596d17d519842ef2173150315735b54e1 27206bb57c47bdbe33bccc78fa7f7e2a719a06b9 git Not specified
CNA Linux Linux affected 212188a596d17d519842ef2173150315735b54e1 a21f3615c88421df81060b6ff89220fd34094c4d git Not specified
CNA Linux Linux affected 212188a596d17d519842ef2173150315735b54e1 fa1ebae4206e6afc8caa642e9eb1bbe39a9a724f git Not specified
CNA Linux Linux affected 212188a596d17d519842ef2173150315735b54e1 f79dff8c721bbb1f3fc312ea55e0551c2cc28801 git Not specified
CNA Linux Linux affected 212188a596d17d519842ef2173150315735b54e1 49145bce539117db4b6e9e83c0e5ef528e361050 git Not specified
CNA Linux Linux affected 3.4 Not specified
CNA Linux Linux unaffected 3.4 semver Not specified
CNA Linux Linux unaffected 6.1.184 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.145 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.97 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.40 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.5 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/27206bb57c47bdbe33bccc78fa7f7e2a719a06b9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f79dff8c721bbb1f3fc312ea55e0551c2cc28801 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/fa1ebae4206e6afc8caa642e9eb1bbe39a9a724f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/a21f3615c88421df81060b6ff89220fd34094c4d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/4c249b214c686f9a1c4cf4f32893b59b189e897a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/49145bce539117db4b6e9e83c0e5ef528e361050 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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