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CVE-2022-50136

7.5 · HIGH

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fix duplicated reported IW_CM_EVENT_CONNECT_REPLY event If siw_recv_mpa_rr returns -EAGAIN, it means that the MPA rep…

Published Jun 18, 2025EPSS 0.61%

Overview

CVE-2022-50136 is a high-severity vulnerability. It was published on June 18, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

RDMA/siw: Fix duplicated reported IW_CM_EVENT_CONNECT_REPLY event

If siw_recv_mpa_rr returns -EAGAIN, it means that the MPA reply hasn't

been received completely, and should not report IW_CM_EVENT_CONNECT_REPLY

in this case. This may trigger a call trace in iw_cm. A simple way to

trigger this:

server: ib_send_lat

client: ib_send_lat -R <server_ip>

The call trace looks like this:

kernel BUG at drivers/infiniband/core/iwcm.c:894!

invalid opcode: 0000 [#1] PREEMPT SMP NOPTI

<...>

Workqueue: iw_cm_wq cm_work_handler [iw_cm]

Call Trace:

<TASK>

cm_work_handler+0x1dd/0x370 [iw_cm]

process_one_work+0x1e2/0x3b0

worker_thread+0x49/0x2e0

? rescuer_thread+0x370/0x370

kthread+0xe5/0x110

? kthread_complete_and_exit+0x20/0x20

ret_from_fork+0x1f/0x30

</TASK>

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/0066246d2d7e2619f3ecf3cf07333c59e6e7d84dRefgit.kernel.org/stable/c/11edf0bba15ea9df49478affec7974f351bb2f6eRefgit.kernel.org/stable/c/1434de50a5d9dab91c8ce031bc23b3e2178379c5Refgit.kernel.org/stable/c/3056fc6c32e613b760422b94c7617ac9a24a4721Refgit.kernel.org/stable/c/9ade92ddaf2347fb34298c02080caaa3cdd7c27bRefgit.kernel.org/stable/c/f6e26e1a5f600b760dc32135d3fac846eabe09e7

How CyberStrike helps

Frequently asked questions

What is CVE-2022-50136?

CVE-2022-50136 is a high-severity vulnerability. It was published on June 18, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2022-50136?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-50136?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-50136?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-50136 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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