{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72236","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-08-09T03:40:39.914Z","datePublished":"2026-08-15T05:54:25.891Z","dateUpdated":"2026-08-23T12:47:04.750Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-23T12:47:04.750Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/perf_cpum_cf: Add missing array_index_nospec() to __hw_perf_event_init()\n\nev variable is userspace controlled via event->attr.config and used\nas an array index after bounds checking, but without speculation\nbarriers.\n\nAdd the missing array_index_nospec() call to prevent speculative\nexecution."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/s390/kernel/perf_cpum_cf.c"],"versions":[{"version":"212188a596d17d519842ef2173150315735b54e1","lessThan":"4c249b214c686f9a1c4cf4f32893b59b189e897a","status":"affected","versionType":"git"},{"version":"212188a596d17d519842ef2173150315735b54e1","lessThan":"27206bb57c47bdbe33bccc78fa7f7e2a719a06b9","status":"affected","versionType":"git"},{"version":"212188a596d17d519842ef2173150315735b54e1","lessThan":"a21f3615c88421df81060b6ff89220fd34094c4d","status":"affected","versionType":"git"},{"version":"212188a596d17d519842ef2173150315735b54e1","lessThan":"fa1ebae4206e6afc8caa642e9eb1bbe39a9a724f","status":"affected","versionType":"git"},{"version":"212188a596d17d519842ef2173150315735b54e1","lessThan":"f79dff8c721bbb1f3fc312ea55e0551c2cc28801","status":"affected","versionType":"git"},{"version":"212188a596d17d519842ef2173150315735b54e1","lessThan":"49145bce539117db4b6e9e83c0e5ef528e361050","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/s390/kernel/perf_cpum_cf.c"],"versions":[{"version":"3.4","status":"affected"},{"version":"0","lessThan":"3.4","status":"unaffected","versionType":"semver"},{"version":"6.1.184","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.145","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.97","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.40","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.5","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4","versionEndExcluding":"6.1.184"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/4c249b214c686f9a1c4cf4f32893b59b189e897a"},{"url":"https://git.kernel.org/stable/c/27206bb57c47bdbe33bccc78fa7f7e2a719a06b9"},{"url":"https://git.kernel.org/stable/c/a21f3615c88421df81060b6ff89220fd34094c4d"},{"url":"https://git.kernel.org/stable/c/fa1ebae4206e6afc8caa642e9eb1bbe39a9a724f"},{"url":"https://git.kernel.org/stable/c/f79dff8c721bbb1f3fc312ea55e0551c2cc28801"},{"url":"https://git.kernel.org/stable/c/49145bce539117db4b6e9e83c0e5ef528e361050"}],"title":"s390/perf_cpum_cf: Add missing array_index_nospec() to __hw_perf_event_init()","x_generator":{"engine":"bippy-1.2.0"}}}}