{"id":"CVE-2026-93108","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/ipoib: Drain RCU callbacks during module teardown\n\nIPoIB reclamation completions can be signaled from inside an RCU callback.\nTeardown can wake before the callback…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/ipoib: Drain RCU callbacks during module teardown\n\nIPoIB reclamation completions can be signaled from inside an RCU callback.\nTeardown can wake before the callback…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= b63b70d8774175b6f8393c495fe455f0fba55ce1 < bb9c23733a0c50e136bd40c27cb60023cc58e22c","Linux >= b63b70d8774175b6f8393c495fe455f0fba55ce1 < 4a6dc313f9661f80e4ed43461d7ed5615c2450ca","Linux >= b63b70d8774175b6f8393c495fe455f0fba55ce1 < d8917353966d1d5a486437dd0dd68a2cf8ecb136","Linux >= b63b70d8774175b6f8393c495fe455f0fba55ce1 < 7bc08d7f9338c9f9c09965e5d020591c793a80cb","Linux >= b63b70d8774175b6f8393c495fe455f0fba55ce1 < 2b3330cfc097db2d31f47ad09261967630270d66","Linux >= b63b70d8774175b6f8393c495fe455f0fba55ce1 < 8dc5ffcb8efcc01e44dd1ebc490eaae72de3fadf","Linux >= b63b70d8774175b6f8393c495fe455f0fba55ce1 < 24ce944721dcd92ae62e7a448d770e2a3e79f5fd","Linux >= b63b70d8774175b6f8393c495fe455f0fba55ce1 < 31b7c700670830a0e8a4cdcd451c88a13cc5dc48","Linux 3.6"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:18:05.190","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93108","references":[{"url":"https://git.kernel.org/stable/c/24ce944721dcd92ae62e7a448d770e2a3e79f5fd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2b3330cfc097db2d31f47ad09261967630270d66","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/31b7c700670830a0e8a4cdcd451c88a13cc5dc48","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4a6dc313f9661f80e4ed43461d7ed5615c2450ca","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7bc08d7f9338c9f9c09965e5d020591c793a80cb","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8dc5ffcb8efcc01e44dd1ebc490eaae72de3fadf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bb9c23733a0c50e136bd40c27cb60023cc58e22c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d8917353966d1d5a486437dd0dd68a2cf8ecb136","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.754Z","epss":0.00211,"epssPercentile":0.11608,"slug":"CVE-2026-93108","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/ipoib: Drain RCU callbacks during module teardown\n\nIPoIB reclamation completions can be signaled from inside an RCU callback.\nTeardown can wake before the callback returns and unload ib_ipoib while its\ncode is still executing.\n\nClient registration failure can also remove already-added devices and queue\ncallbacks. Wait after client and workqueue teardown.\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":[]}