{"api_version":"1","generated_at":"2026-09-20T14:40:31+00:00","cve":"CVE-2026-93109","urls":{"html":"https://cve.report/CVE-2026-93109","api":"https://cve.report/api/cve/CVE-2026-93109.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-93109","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-93109"},"summary":{"title":"RDMA/mlx5: Drain RCU callbacks during module teardown","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/mlx5: Drain RCU callbacks during module teardown\n\ndevx_free_subscription() can remain queued after the last DevX event file\ndrops its module reference or an auxiliary driver detaches its devices.\nmlx5_ib can then unload before the callback runs.\n\nRegistration error unwind has the same risk because driver registration\ncan attach existing devices before failing. Wait after all drivers have\nstopped.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:18:05","updated_at":"2026-09-17 17:18:05"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/ca428e597f12b278bf158356e34641e6386cfa82","name":"https://git.kernel.org/stable/c/ca428e597f12b278bf158356e34641e6386cfa82","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4664368b9bd9d5d79ebad24056b98c34b9fed20f","name":"https://git.kernel.org/stable/c/4664368b9bd9d5d79ebad24056b98c34b9fed20f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e37cdd75f8d61c1123d324ae5667ac3da562290e","name":"https://git.kernel.org/stable/c/e37cdd75f8d61c1123d324ae5667ac3da562290e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4be7810ba70291abb2f68cc6db0ae1b93ee9c76a","name":"https://git.kernel.org/stable/c/4be7810ba70291abb2f68cc6db0ae1b93ee9c76a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7babc25d8dd5b7642920fbc0737cfd1469e7025b","name":"https://git.kernel.org/stable/c/7babc25d8dd5b7642920fbc0737cfd1469e7025b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/59d60e04afd012f07e996d2e34cb90a4ec6f5cff","name":"https://git.kernel.org/stable/c/59d60e04afd012f07e996d2e34cb90a4ec6f5cff","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2f946e7839f677fa14574b6babad14b37ae0bbbe","name":"https://git.kernel.org/stable/c/2f946e7839f677fa14574b6babad14b37ae0bbbe","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93109","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93109","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6898d1c661d79f4707d8ba82991b2195822780ca ca428e597f12b278bf158356e34641e6386cfa82 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6898d1c661d79f4707d8ba82991b2195822780ca 59d60e04afd012f07e996d2e34cb90a4ec6f5cff git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6898d1c661d79f4707d8ba82991b2195822780ca 2f946e7839f677fa14574b6babad14b37ae0bbbe git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6898d1c661d79f4707d8ba82991b2195822780ca 4be7810ba70291abb2f68cc6db0ae1b93ee9c76a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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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":"93109","cve":"CVE-2026-93109","epss":"0.002060000","percentile":"0.109910000","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/infiniband/hw/mlx5/main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ca428e597f12b278bf158356e34641e6386cfa82","status":"affected","version":"6898d1c661d79f4707d8ba82991b2195822780ca","versionType":"git"},{"lessThan":"59d60e04afd012f07e996d2e34cb90a4ec6f5cff","status":"affected","version":"6898d1c661d79f4707d8ba82991b2195822780ca","versionType":"git"},{"lessThan":"2f946e7839f677fa14574b6babad14b37ae0bbbe","status":"affected","version":"6898d1c661d79f4707d8ba82991b2195822780ca","versionType":"git"},{"lessThan":"4be7810ba70291abb2f68cc6db0ae1b93ee9c76a","status":"affected","version":"6898d1c661d79f4707d8ba82991b2195822780ca","versionType":"git"},{"lessThan":"7babc25d8dd5b7642920fbc0737cfd1469e7025b","status":"affected","version":"6898d1c661d79f4707d8ba82991b2195822780ca","versionType":"git"},{"lessThan":"4664368b9bd9d5d79ebad24056b98c34b9fed20f","status":"affected","version":"6898d1c661d79f4707d8ba82991b2195822780ca","versionType":"git"},{"lessThan":"e37cdd75f8d61c1123d324ae5667ac3da562290e","status":"affected","version":"6898d1c661d79f4707d8ba82991b2195822780ca","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/infiniband/hw/mlx5/main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.6"},{"lessThan":"5.6","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.221","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","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":"5.15.221","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"5.6","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/mlx5: Drain RCU callbacks during module teardown\n\ndevx_free_subscription() can remain queued after the last DevX event file\ndrops its module reference or an auxiliary driver detaches its devices.\nmlx5_ib can then unload before the callback runs.\n\nRegistration error unwind has the same risk because driver registration\ncan attach existing devices before failing. Wait after all drivers have\nstopped."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:11:19.135Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ca428e597f12b278bf158356e34641e6386cfa82"},{"url":"https://git.kernel.org/stable/c/59d60e04afd012f07e996d2e34cb90a4ec6f5cff"},{"url":"https://git.kernel.org/stable/c/2f946e7839f677fa14574b6babad14b37ae0bbbe"},{"url":"https://git.kernel.org/stable/c/4be7810ba70291abb2f68cc6db0ae1b93ee9c76a"},{"url":"https://git.kernel.org/stable/c/7babc25d8dd5b7642920fbc0737cfd1469e7025b"},{"url":"https://git.kernel.org/stable/c/4664368b9bd9d5d79ebad24056b98c34b9fed20f"},{"url":"https://git.kernel.org/stable/c/e37cdd75f8d61c1123d324ae5667ac3da562290e"}],"title":"RDMA/mlx5: Drain RCU callbacks during module teardown","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-93109","datePublished":"2026-09-17T16:11:19.135Z","dateReserved":"2026-09-17T16:02:15.085Z","dateUpdated":"2026-09-17T16:11:19.135Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:18:05","lastModifiedDate":"2026-09-17 17:18:05","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"93109","Ordinal":"1","Title":"RDMA/mlx5: Drain RCU callbacks during module teardown","CVE":"CVE-2026-93109","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"93109","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/mlx5: Drain RCU callbacks during module teardown\n\ndevx_free_subscription() can remain queued after the last DevX event file\ndrops its module reference or an auxiliary driver detaches its devices.\nmlx5_ib can then unload before the callback runs.\n\nRegistration error unwind has the same risk because driver registration\ncan attach existing devices before failing. Wait after all drivers have\nstopped.","Type":"Description","Title":"RDMA/mlx5: Drain RCU callbacks during module teardown"}]}}}