{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93109","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-17T16:02:15.085Z","datePublished":"2026-09-17T16:11:19.135Z","dateUpdated":"2026-09-17T16:11:19.135Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-17T16:11:19.135Z"},"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/mlx5/main.c"],"versions":[{"version":"6898d1c661d79f4707d8ba82991b2195822780ca","lessThan":"ca428e597f12b278bf158356e34641e6386cfa82","status":"affected","versionType":"git"},{"version":"6898d1c661d79f4707d8ba82991b2195822780ca","lessThan":"59d60e04afd012f07e996d2e34cb90a4ec6f5cff","status":"affected","versionType":"git"},{"version":"6898d1c661d79f4707d8ba82991b2195822780ca","lessThan":"2f946e7839f677fa14574b6babad14b37ae0bbbe","status":"affected","versionType":"git"},{"version":"6898d1c661d79f4707d8ba82991b2195822780ca","lessThan":"4be7810ba70291abb2f68cc6db0ae1b93ee9c76a","status":"affected","versionType":"git"},{"version":"6898d1c661d79f4707d8ba82991b2195822780ca","lessThan":"7babc25d8dd5b7642920fbc0737cfd1469e7025b","status":"affected","versionType":"git"},{"version":"6898d1c661d79f4707d8ba82991b2195822780ca","lessThan":"4664368b9bd9d5d79ebad24056b98c34b9fed20f","status":"affected","versionType":"git"},{"version":"6898d1c661d79f4707d8ba82991b2195822780ca","lessThan":"e37cdd75f8d61c1123d324ae5667ac3da562290e","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/mlx5/main.c"],"versions":[{"version":"5.6","status":"affected"},{"version":"0","lessThan":"5.6","status":"unaffected","versionType":"semver"},{"version":"5.15.221","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.188","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.157","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.110","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.52","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.6","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"7.3-rc1"}]}]}],"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"}}}}