{"api_version":"1","generated_at":"2026-08-23T21:53:22+00:00","cve":"CVE-2026-72236","urls":{"html":"https://cve.report/CVE-2026-72236","api":"https://cve.report/api/cve/CVE-2026-72236.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72236","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72236"},"summary":{"title":"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:\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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:21:50","updated_at":"2026-08-23 13:16:42"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/27206bb57c47bdbe33bccc78fa7f7e2a719a06b9","name":"https://git.kernel.org/stable/c/27206bb57c47bdbe33bccc78fa7f7e2a719a06b9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f79dff8c721bbb1f3fc312ea55e0551c2cc28801","name":"https://git.kernel.org/stable/c/f79dff8c721bbb1f3fc312ea55e0551c2cc28801","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fa1ebae4206e6afc8caa642e9eb1bbe39a9a724f","name":"https://git.kernel.org/stable/c/fa1ebae4206e6afc8caa642e9eb1bbe39a9a724f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a21f3615c88421df81060b6ff89220fd34094c4d","name":"https://git.kernel.org/stable/c/a21f3615c88421df81060b6ff89220fd34094c4d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4c249b214c686f9a1c4cf4f32893b59b189e897a","name":"https://git.kernel.org/stable/c/4c249b214c686f9a1c4cf4f32893b59b189e897a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/49145bce539117db4b6e9e83c0e5ef528e361050","name":"https://git.kernel.org/stable/c/49145bce539117db4b6e9e83c0e5ef528e361050","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72236","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72236","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 212188a596d17d519842ef2173150315735b54e1 4c249b214c686f9a1c4cf4f32893b59b189e897a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 212188a596d17d519842ef2173150315735b54e1 27206bb57c47bdbe33bccc78fa7f7e2a719a06b9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 212188a596d17d519842ef2173150315735b54e1 a21f3615c88421df81060b6ff89220fd34094c4d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 212188a596d17d519842ef2173150315735b54e1 fa1ebae4206e6afc8caa642e9eb1bbe39a9a724f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 212188a596d17d519842ef2173150315735b54e1 f79dff8c721bbb1f3fc312ea55e0551c2cc28801 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 212188a596d17d519842ef2173150315735b54e1 49145bce539117db4b6e9e83c0e5ef528e361050 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3.4","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 3.4 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.184 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"72236","cve":"CVE-2026-72236","epss":"0.002150000","percentile":"0.122100000","score_date":"2026-08-17","updated_at":"2026-08-18 00:11:47"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/s390/kernel/perf_cpum_cf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4c249b214c686f9a1c4cf4f32893b59b189e897a","status":"affected","version":"212188a596d17d519842ef2173150315735b54e1","versionType":"git"},{"lessThan":"27206bb57c47bdbe33bccc78fa7f7e2a719a06b9","status":"affected","version":"212188a596d17d519842ef2173150315735b54e1","versionType":"git"},{"lessThan":"a21f3615c88421df81060b6ff89220fd34094c4d","status":"affected","version":"212188a596d17d519842ef2173150315735b54e1","versionType":"git"},{"lessThan":"fa1ebae4206e6afc8caa642e9eb1bbe39a9a724f","status":"affected","version":"212188a596d17d519842ef2173150315735b54e1","versionType":"git"},{"lessThan":"f79dff8c721bbb1f3fc312ea55e0551c2cc28801","status":"affected","version":"212188a596d17d519842ef2173150315735b54e1","versionType":"git"},{"lessThan":"49145bce539117db4b6e9e83c0e5ef528e361050","status":"affected","version":"212188a596d17d519842ef2173150315735b54e1","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["arch/s390/kernel/perf_cpum_cf.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.4"},{"lessThan":"3.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.184","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.184","versionStartIncluding":"3.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"3.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"3.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"3.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"3.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"3.4","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-08-23T12:47:04.750Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72236","datePublished":"2026-08-15T05:54:25.891Z","dateReserved":"2026-08-09T03:40:39.914Z","dateUpdated":"2026-08-23T12:47:04.750Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:21:50","lastModifiedDate":"2026-08-23 13:16:42","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72236","Ordinal":"1","Title":"s390/perf_cpum_cf: Add missing array_index_nospec() to __hw_perf","CVE":"CVE-2026-72236","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72236","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"s390/perf_cpum_cf: Add missing array_index_nospec() to __hw_perf"}]}}}