{"api_version":"1","generated_at":"2026-09-20T14:40:31+00:00","cve":"CVE-2026-92490","urls":{"html":"https://cve.report/CVE-2026-92490","api":"https://cve.report/api/cve/CVE-2026-92490.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-92490","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-92490"},"summary":{"title":"firmware: arm_scmi: Unrequest devices if driver registration fails","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Unrequest devices if driver registration fails\n\nscmi_driver_register() requests protocol devices before registering the\ndriver. If driver_register() fails, those requests remain in the global\nIDR and retain pointers to the module's ID table. Once the failed module\nload releases that storage, later request matching or SCMI device creation\ncan dereference the stale pointers.\n\nUnrequest the complete protocol table before returning the registration\nfailure. At this point table registration succeeded, so every entry is\nowned by the current registration attempt.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:51","updated_at":"2026-09-17 17:17:51"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/524e57035af2d32498af9dd8fa6fdc92fcc8f80a","name":"https://git.kernel.org/stable/c/524e57035af2d32498af9dd8fa6fdc92fcc8f80a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9f7cd6a62aa754ed6b48cbd5d50de40add1bcc86","name":"https://git.kernel.org/stable/c/9f7cd6a62aa754ed6b48cbd5d50de40add1bcc86","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4520d4a1db37198756ad23568e36cdf091b6ffff","name":"https://git.kernel.org/stable/c/4520d4a1db37198756ad23568e36cdf091b6ffff","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/06e65e07a1bcb39a1ebc8bb89a981f8e07900497","name":"https://git.kernel.org/stable/c/06e65e07a1bcb39a1ebc8bb89a981f8e07900497","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a76b20b1f03099204db29b90e1024fe1c2b2cdd7","name":"https://git.kernel.org/stable/c/a76b20b1f03099204db29b90e1024fe1c2b2cdd7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-92490","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92490","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d3cd7c525fd2ecce3a6c963f314969a54783d211 524e57035af2d32498af9dd8fa6fdc92fcc8f80a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d3cd7c525fd2ecce3a6c963f314969a54783d211 06e65e07a1bcb39a1ebc8bb89a981f8e07900497 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d3cd7c525fd2ecce3a6c963f314969a54783d211 a76b20b1f03099204db29b90e1024fe1c2b2cdd7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d3cd7c525fd2ecce3a6c963f314969a54783d211 4520d4a1db37198756ad23568e36cdf091b6ffff git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d3cd7c525fd2ecce3a6c963f314969a54783d211 9f7cd6a62aa754ed6b48cbd5d50de40add1bcc86 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":{"cve_year":"2026","cve_id":"92490","cve":"CVE-2026-92490","epss":"0.001680000","percentile":"0.065060000","score_date":"2026-09-18","updated_at":"2026-09-19 00:06:17"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/firmware/arm_scmi/bus.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"524e57035af2d32498af9dd8fa6fdc92fcc8f80a","status":"affected","version":"d3cd7c525fd2ecce3a6c963f314969a54783d211","versionType":"git"},{"lessThan":"06e65e07a1bcb39a1ebc8bb89a981f8e07900497","status":"affected","version":"d3cd7c525fd2ecce3a6c963f314969a54783d211","versionType":"git"},{"lessThan":"a76b20b1f03099204db29b90e1024fe1c2b2cdd7","status":"affected","version":"d3cd7c525fd2ecce3a6c963f314969a54783d211","versionType":"git"},{"lessThan":"4520d4a1db37198756ad23568e36cdf091b6ffff","status":"affected","version":"d3cd7c525fd2ecce3a6c963f314969a54783d211","versionType":"git"},{"lessThan":"9f7cd6a62aa754ed6b48cbd5d50de40add1bcc86","status":"affected","version":"d3cd7c525fd2ecce3a6c963f314969a54783d211","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/firmware/arm_scmi/bus.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: Unrequest devices if driver registration fails\n\nscmi_driver_register() requests protocol devices before registering the\ndriver. If driver_register() fails, those requests remain in the global\nIDR and retain pointers to the module's ID table. Once the failed module\nload releases that storage, later request matching or SCMI device creation\ncan dereference the stale pointers.\n\nUnrequest the complete protocol table before returning the registration\nfailure. At this point table registration succeeded, so every entry is\nowned by the current registration attempt."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:10:05.347Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/524e57035af2d32498af9dd8fa6fdc92fcc8f80a"},{"url":"https://git.kernel.org/stable/c/06e65e07a1bcb39a1ebc8bb89a981f8e07900497"},{"url":"https://git.kernel.org/stable/c/a76b20b1f03099204db29b90e1024fe1c2b2cdd7"},{"url":"https://git.kernel.org/stable/c/4520d4a1db37198756ad23568e36cdf091b6ffff"},{"url":"https://git.kernel.org/stable/c/9f7cd6a62aa754ed6b48cbd5d50de40add1bcc86"}],"title":"firmware: arm_scmi: Unrequest devices if driver registration fails","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-92490","datePublished":"2026-09-17T16:10:05.347Z","dateReserved":"2026-09-16T12:21:13.871Z","dateUpdated":"2026-09-17T16:10:05.347Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:51","lastModifiedDate":"2026-09-17 17:17:51","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"92490","Ordinal":"1","Title":"firmware: arm_scmi: Unrequest devices if driver registration fai","CVE":"CVE-2026-92490","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"92490","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Unrequest devices if driver registration fails\n\nscmi_driver_register() requests protocol devices before registering the\ndriver. If driver_register() fails, those requests remain in the global\nIDR and retain pointers to the module's ID table. Once the failed module\nload releases that storage, later request matching or SCMI device creation\ncan dereference the stale pointers.\n\nUnrequest the complete protocol table before returning the registration\nfailure. At this point table registration succeeded, so every entry is\nowned by the current registration attempt.","Type":"Description","Title":"firmware: arm_scmi: Unrequest devices if driver registration fai"}]}}}