{"id":"CVE-2026-93109","revision":null,"records":[{"revision":"a1ba3b0225a846979ecb73bba28d7e63","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93109","aliases":[],"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":0,"publishedAt":"2026-09-17T16:11:19.135+00:00","modifiedAt":"2026-10-19T09:05:41.9+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/infiniband/hw/mlx5/main.c\"\n ],\n \"versions\": [\n {\n \"version\": \"6898d1c661d79f4707d8ba82991b2195822780ca\",\n \"lessThan\": \"ca428e597f12b278bf158356e34641e6386cfa82\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6898d1c661d79f4707d8ba82991b2195822780ca\",\n \"lessThan\": \"59d60e04afd012f07e996d2e34cb90a4ec6f5cff\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6898d1c661d79f4707d8ba82991b2195822780ca\",\n \"lessThan\": \"2f946e7839f677fa14574b6babad14b37ae0bbbe\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6898d1c661d79f4707d8ba82991b2195822780ca\",\n \"lessThan\": \"4be7810ba70291abb2f68cc6db0ae1b93ee9c76a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6898d1c661d79f4707d8ba82991b2195822780ca\",\n \"lessThan\": \"7babc25d8dd5b7642920fbc0737cfd1469e7025b\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6898d1c661d79f4707d8ba82991b2195822780ca\",\n \"lessThan\": \"4664368b9bd9d5d79ebad24056b98c34b9fed20f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6898d1c661d79f4707d8ba82991b2195822780ca\",\n \"lessThan\": \"e37cdd75f8d61c1123d324ae5667ac3da562290e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/infiniband/hw/mlx5/main.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5.6\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.6\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.221\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.188\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.157\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.110\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.52\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2.6\",\n \"lessThanOrEqual\": \"7.2.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.3\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/ca428e597f12b278bf158356e34641e6386cfa82","https://git.kernel.org/stable/c/59d60e04afd012f07e996d2e34cb90a4ec6f5cff","https://git.kernel.org/stable/c/2f946e7839f677fa14574b6babad14b37ae0bbbe","https://git.kernel.org/stable/c/4be7810ba70291abb2f68cc6db0ae1b93ee9c76a","https://git.kernel.org/stable/c/7babc25d8dd5b7642920fbc0737cfd1469e7025b","https://git.kernel.org/stable/c/4664368b9bd9d5d79ebad24056b98c34b9fed20f","https://git.kernel.org/stable/c/e37cdd75f8d61c1123d324ae5667ac3da562290e"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93109","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93109","identifiers":["CVE-2026-93109"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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