CVE-2026-93108

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.

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EPSS — Exploit Prediction

0.0021

Probability of exploitation

0.11%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other References

https://git.kernel.org/stable/c/24ce944721dcd92ae62e7a448d770e2a3e79f5fd https://git.kernel.org/stable/c/2b3330cfc097db2d31f47ad09261967630270d66 https://git.kernel.org/stable/c/31b7c700670830a0e8a4cdcd451c88a13cc5dc48 https://git.kernel.org/stable/c/4a6dc313f9661f80e4ed43461d7ed5615c2450ca https://git.kernel.org/stable/c/7bc08d7f9338c9f9c09965e5d020591c793a80cb https://git.kernel.org/stable/c/8dc5ffcb8efcc01e44dd1ebc490eaae72de3fadf https://git.kernel.org/stable/c/bb9c23733a0c50e136bd40c27cb60023cc58e22c https://git.kernel.org/stable/c/d8917353966d1d5a486437dd0dd68a2cf8ecb136

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 do I check if I'm vulnerable to CVE-2026-93108? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.