CVE-2026-93108

RDMA/ipoib: Drain RCU callbacks during module teardown

N/A
Published: September 17, 2026 at 04:11 PM UTC
Updated: October 19, 2026 at 10:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

3.6b63b70d8774175b6f8393c495fe455f0fba55ce1
Vendor states this is fixed in 24ce944721dcd92ae62e7a448d770e2a3e79f5fd (fixed)
Vendor states this is fixed in 2b3330cfc097db2d31f47ad09261967630270d66 (fixed)
Vendor states this is fixed in 31b7c700670830a0e8a4cdcd451c88a13cc5dc48 (fixed)
Vendor states this is fixed in 4a6dc313f9661f80e4ed43461d7ed5615c2450ca (fixed)
Vendor states this is fixed in 7bc08d7f9338c9f9c09965e5d020591c793a80cb (fixed)
Vendor states this is fixed in 8dc5ffcb8efcc01e44dd1ebc490eaae72de3fadf (fixed)
Vendor states this is fixed in bb9c23733a0c50e136bd40c27cb60023cc58e22c (fixed)
Vendor states this is fixed in d8917353966d1d5a486437dd0dd68a2cf8ecb136 (fixed)
Vendor states this is fixed in 3.6 (unaffected)
Vendor states this is fixed in 5.10.270 (unaffected)
Vendor states this is fixed in 5.15.221 (unaffected)
Vendor states this is fixed in 6.1.188 (unaffected)
Vendor states this is fixed in 6.12.110 (unaffected)
Vendor states this is fixed in 6.18.52 (unaffected)
Vendor states this is fixed in 6.6.157 (unaffected)
Vendor states this is fixed in 7.2.6 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

Quick Info

StatusRECEIVED

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