{"id":"CVE-2026-93109","title":"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 auxili…","summary":"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 auxili…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 6898d1c661d79f4707d8ba82991b2195822780ca < ca428e597f12b278bf158356e34641e6386cfa82","Linux >= 6898d1c661d79f4707d8ba82991b2195822780ca < 59d60e04afd012f07e996d2e34cb90a4ec6f5cff","Linux >= 6898d1c661d79f4707d8ba82991b2195822780ca < 2f946e7839f677fa14574b6babad14b37ae0bbbe","Linux >= 6898d1c661d79f4707d8ba82991b2195822780ca < 4be7810ba70291abb2f68cc6db0ae1b93ee9c76a","Linux >= 6898d1c661d79f4707d8ba82991b2195822780ca < 7babc25d8dd5b7642920fbc0737cfd1469e7025b","Linux >= 6898d1c661d79f4707d8ba82991b2195822780ca < 4664368b9bd9d5d79ebad24056b98c34b9fed20f","Linux >= 6898d1c661d79f4707d8ba82991b2195822780ca < e37cdd75f8d61c1123d324ae5667ac3da562290e","Linux 5.6"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:18:05.327","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93109","references":[{"url":"https://git.kernel.org/stable/c/2f946e7839f677fa14574b6babad14b37ae0bbbe","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4664368b9bd9d5d79ebad24056b98c34b9fed20f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4be7810ba70291abb2f68cc6db0ae1b93ee9c76a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/59d60e04afd012f07e996d2e34cb90a4ec6f5cff","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7babc25d8dd5b7642920fbc0737cfd1469e7025b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ca428e597f12b278bf158356e34641e6386cfa82","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e37cdd75f8d61c1123d324ae5667ac3da562290e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.754Z","epss":0.00206,"epssPercentile":0.10942,"slug":"CVE-2026-93109","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}