{"id":"CVE-2026-93092","summary":"firmware: arm_scmi: Unregister device notifier before IDR teardown","details":"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.","modified":"2026-09-19T03:47:27.914596262Z","published":"2026-09-17T16:11:07.715Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93092.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/492fb49eac24beecd6d3c5e4744a513e626f8dcf"},{"type":"WEB","url":"https://git.kernel.org/stable/c/66a0bbf30cc14140fe13f63cd594a7c1ee352b75"},{"type":"WEB","url":"https://git.kernel.org/stable/c/70a26b37389846f1f29a09f7983aa3f45feff529"},{"type":"WEB","url":"https://git.kernel.org/stable/c/74fcaa0a3f7ad3edfde2e8c6cb8ae457a00e0b7a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f5e528f631425416f9b39e9d8b385c9f1ceb40d6"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93092.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93092"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"53b8c25df7082edd78a3fc63e359abee0f28fa70"},{"fixed":"70a26b37389846f1f29a09f7983aa3f45feff529"},{"fixed":"492fb49eac24beecd6d3c5e4744a513e626f8dcf"},{"fixed":"f5e528f631425416f9b39e9d8b385c9f1ceb40d6"},{"fixed":"74fcaa0a3f7ad3edfde2e8c6cb8ae457a00e0b7a"},{"fixed":"66a0bbf30cc14140fe13f63cd594a7c1ee352b75"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93092.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.3.0"},{"fixed":"6.6.157"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.110"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.52"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93092.json"}}],"schema_version":"1.9.0"}