CVE-2026-93108
Unknown
Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/ipoib: Drain RCU callbacks during module teardown IPoIB reclamation completions can be signaled from inside an RCU callback. Teardown can wake before the callback returns and unload ib_ipoib while its code is still executing. Client registration failure can also remove already-added devices and queue callbacks. Wait after client and workqueue teardown.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedSep 17, 2026
First seenSep 17, 2026
How to fix
Update
- Linux Linuxbb9c23733a0c50e136bd40c27cb60023cc58e22c, 4a6dc313f9661f80e4ed43461d7ed5615c2450ca, d8917353966d1d5a486437dd0dd68a2cf8ecb136, 7bc08d7f9338c9f9c09965e5d020591c793a80cb, 2b3330cfc097db2d31f47ad09261967630270d66, 8dc5ffcb8efcc01e44dd1ebc490eaae72de3fadf, 24ce944721dcd92ae62e7a448d770e2a3e79f5fd, 31b7c700670830a0e8a4cdcd451c88a13cc5dc48 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | b63b70d8774175b6f8393c495fe455f0fba55ce1 ≤ v < bb9c23733a0c50e136bd40c27cb60023cc58e22c, b63b70d8774175b6f8393c495fe455f0fba55ce1 ≤ v < 4a6dc313f9661f80e4ed43461d7ed5615c2450ca, b63b70d8774175b6f8393c495fe455f0fba55ce1 ≤ v < d8917353966d1d5a486437dd0dd68a2cf8ecb136, b63b70d8774175b6f8393c495fe455f0fba55ce1 ≤ v < 7bc08d7f9338c9f9c09965e5d020591c793a80cb, b63b70d8774175b6f8393c495fe455f0fba55ce1 ≤ v < 2b3330cfc097db2d31f47ad09261967630270d66, b63b70d8774175b6f8393c495fe455f0fba55ce1 ≤ v < 8dc5ffcb8efcc01e44dd1ebc490eaae72de3fadf, b63b70d8774175b6f8393c495fe455f0fba55ce1 ≤ v < 24ce944721dcd92ae62e7a448d770e2a3e79f5fd, b63b70d8774175b6f8393c495fe455f0fba55ce1 ≤ v < 31b7c700670830a0e8a4cdcd451c88a13cc5dc48, 3.6 | bb9c23733a0c50e136bd40c27cb60023cc58e22c, 4a6dc313f9661f80e4ed43461d7ed5615c2450ca, d8917353966d1d5a486437dd0dd68a2cf8ecb136, 7bc08d7f9338c9f9c09965e5d020591c793a80cb, 2b3330cfc097db2d31f47ad09261967630270d66, 8dc5ffcb8efcc01e44dd1ebc490eaae72de3fadf, 24ce944721dcd92ae62e7a448d770e2a3e79f5fd, 31b7c700670830a0e8a4cdcd451c88a13cc5dc48 |
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