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CVE-2024-50297

7.5 · HIGH

In the Linux kernel, the following vulnerability has been resolved: net: xilinx: axienet: Enqueue Tx packets in dql before dmaengine starts Enqueue packets in dql after dma engine starts causes r…

Published Nov 19, 2024CWE-362EPSS 0.28%

Overview

CVE-2024-50297 is a high-severity vulnerability. It was published on November 19, 2024 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:

net: xilinx: axienet: Enqueue Tx packets in dql before dmaengine starts

Enqueue packets in dql after dma engine starts causes race condition.

Tx transfer starts once dma engine is started and may execute dql dequeue

in completion before it gets queued. It results in following kernel crash

while running iperf stress test:

kernel BUG at lib/dynamic_queue_limits.c:99!

<snip>

Internal error: Oops - BUG: 00000000f2000800 [#1] SMP

pc : dql_completed+0x238/0x248

lr : dql_completed+0x3c/0x248

Call trace:

dql_completed+0x238/0x248

axienet_dma_tx_cb+0xa0/0x170

xilinx_dma_do_tasklet+0xdc/0x290

tasklet_action_common+0xf8/0x11c

tasklet_action+0x30/0x3c

handle_softirqs+0xf8/0x230

<snip>

Start dmaengine after enqueue in dql fixes the crash.

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/5ccdcdf186aec6b9111845fd37e1757e9b413e2fRefgit.kernel.org/stable/c/def3dee25cbd1c9b2ed443c3f6180e952563de77

How CyberStrike helps

Frequently asked questions

What is CVE-2024-50297?

CVE-2024-50297 is a high-severity vulnerability. It was published on November 19, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-50297?

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-2024-50297?

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-2024-50297?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-50297 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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