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CVE-2026-93108

Unknown

Last modified

CVE-2026-93108 is a vulnerability of currently unknown severity. 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..

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 Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= b63b70d8774175b6f8393c495fe455f0fba55ce1, < bb9c23733a0c50e136bd40c27cb60023cc58e22c; >= b63b70d8774175b6f8393c495fe455f0fba55ce1, < 4a6dc313f9661f80e4ed43461d7ed5615c2450ca; >= b63b70d8774175b6f8393c495fe455f0fba55ce1, < d8917353966d1d5a486437dd0dd68a2cf8ecb136; >= b63b70d8774175b6f8393c495fe455f0fba55ce1, < 7bc08d7f9338c9f9c09965e5d020591c793a80cb; >= b63b70d8774175b6f8393c495fe455f0fba55ce1, < 2b3330cfc097db2d31f47ad09261967630270d66; >= b63b70d8774175b6f8393c495fe455f0fba55ce1, < 8dc5ffcb8efcc01e44dd1ebc490eaae72de3fadf; >= b63b70d8774175b6f8393c495fe455f0fba55ce1, < 24ce944721dcd92ae62e7a448d770e2a3e79f5fd; >= b63b70d8774175b6f8393c495fe455f0fba55ce1, < 31b7c700670830a0e8a4cdcd451c88a13cc5dc48
LinuxLinux3.6

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-93108?
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.
How severe is CVE-2026-93108?
Severity scoring for CVE-2026-93108 is pending analysis.
How do I fix CVE-2026-93108?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST