{"api_version":"1","generated_at":"2026-09-17T23:31:12+00:00","cve":"CVE-2026-93092","urls":{"html":"https://cve.report/CVE-2026-93092","api":"https://cve.report/api/cve/CVE-2026-93092.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-93092","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-93092"},"summary":{"title":"firmware: arm_scmi: Unregister device notifier before IDR teardown","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Unregister device notifier before IDR teardown\n\nThe requested-devices notifier looks up protocol fwnodes from the\nactive_protocols IDR. During remove, unregister the notifier before\nreleasing and destroying active_protocols so no notifier callback can race\nwith the IDR teardown.\n\nKeep the bus notifier registered until after the protocol state is torn\ndown, matching the existing remove ordering for SCMI bus users.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:18:03","updated_at":"2026-09-17 17:18:03"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/492fb49eac24beecd6d3c5e4744a513e626f8dcf","name":"https://git.kernel.org/stable/c/492fb49eac24beecd6d3c5e4744a513e626f8dcf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/74fcaa0a3f7ad3edfde2e8c6cb8ae457a00e0b7a","name":"https://git.kernel.org/stable/c/74fcaa0a3f7ad3edfde2e8c6cb8ae457a00e0b7a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/66a0bbf30cc14140fe13f63cd594a7c1ee352b75","name":"https://git.kernel.org/stable/c/66a0bbf30cc14140fe13f63cd594a7c1ee352b75","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/70a26b37389846f1f29a09f7983aa3f45feff529","name":"https://git.kernel.org/stable/c/70a26b37389846f1f29a09f7983aa3f45feff529","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f5e528f631425416f9b39e9d8b385c9f1ceb40d6","name":"https://git.kernel.org/stable/c/f5e528f631425416f9b39e9d8b385c9f1ceb40d6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93092","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93092","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 53b8c25df7082edd78a3fc63e359abee0f28fa70 70a26b37389846f1f29a09f7983aa3f45feff529 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 53b8c25df7082edd78a3fc63e359abee0f28fa70 492fb49eac24beecd6d3c5e4744a513e626f8dcf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 53b8c25df7082edd78a3fc63e359abee0f28fa70 f5e528f631425416f9b39e9d8b385c9f1ceb40d6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 53b8c25df7082edd78a3fc63e359abee0f28fa70 74fcaa0a3f7ad3edfde2e8c6cb8ae457a00e0b7a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 53b8c25df7082edd78a3fc63e359abee0f28fa70 66a0bbf30cc14140fe13f63cd594a7c1ee352b75 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.3","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.3 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/firmware/arm_scmi/driver.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"70a26b37389846f1f29a09f7983aa3f45feff529","status":"affected","version":"53b8c25df7082edd78a3fc63e359abee0f28fa70","versionType":"git"},{"lessThan":"492fb49eac24beecd6d3c5e4744a513e626f8dcf","status":"affected","version":"53b8c25df7082edd78a3fc63e359abee0f28fa70","versionType":"git"},{"lessThan":"f5e528f631425416f9b39e9d8b385c9f1ceb40d6","status":"affected","version":"53b8c25df7082edd78a3fc63e359abee0f28fa70","versionType":"git"},{"lessThan":"74fcaa0a3f7ad3edfde2e8c6cb8ae457a00e0b7a","status":"affected","version":"53b8c25df7082edd78a3fc63e359abee0f28fa70","versionType":"git"},{"lessThan":"66a0bbf30cc14140fe13f63cd594a7c1ee352b75","status":"affected","version":"53b8c25df7082edd78a3fc63e359abee0f28fa70","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/firmware/arm_scmi/driver.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.3"},{"lessThan":"6.3","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.52","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"6.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"6.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"6.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"6.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"6.3","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Unregister device notifier before IDR teardown\n\nThe requested-devices notifier looks up protocol fwnodes from the\nactive_protocols IDR. During remove, unregister the notifier before\nreleasing and destroying active_protocols so no notifier callback can race\nwith the IDR teardown.\n\nKeep the bus notifier registered until after the protocol state is torn\ndown, matching the existing remove ordering for SCMI bus users."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:11:07.715Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/70a26b37389846f1f29a09f7983aa3f45feff529"},{"url":"https://git.kernel.org/stable/c/492fb49eac24beecd6d3c5e4744a513e626f8dcf"},{"url":"https://git.kernel.org/stable/c/f5e528f631425416f9b39e9d8b385c9f1ceb40d6"},{"url":"https://git.kernel.org/stable/c/74fcaa0a3f7ad3edfde2e8c6cb8ae457a00e0b7a"},{"url":"https://git.kernel.org/stable/c/66a0bbf30cc14140fe13f63cd594a7c1ee352b75"}],"title":"firmware: arm_scmi: Unregister device notifier before IDR teardown","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-93092","datePublished":"2026-09-17T16:11:07.715Z","dateReserved":"2026-09-17T16:02:15.084Z","dateUpdated":"2026-09-17T16:11:07.715Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:18:03","lastModifiedDate":"2026-09-17 17:18:03","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"93092","Ordinal":"1","Title":"firmware: arm_scmi: Unregister device notifier before IDR teardo","CVE":"CVE-2026-93092","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"93092","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Unregister device notifier before IDR teardown\n\nThe requested-devices notifier looks up protocol fwnodes from the\nactive_protocols IDR. During remove, unregister the notifier before\nreleasing and destroying active_protocols so no notifier callback can race\nwith the IDR teardown.\n\nKeep the bus notifier registered until after the protocol state is torn\ndown, matching the existing remove ordering for SCMI bus users.","Type":"Description","Title":"firmware: arm_scmi: Unregister device notifier before IDR teardo"}]}}}