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CVE-2025-37917

7.5 · HIGH

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtk-star-emac: fix spinlock recursion issues on rx/tx poll Use spin_lock_irqsave and spin_unlock_irqrestore inst…

Published May 20, 2025EPSS 0.56%

Overview

CVE-2025-37917 is a high-severity vulnerability. It was published on May 20, 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:

net: ethernet: mtk-star-emac: fix spinlock recursion issues on rx/tx poll

Use spin_lock_irqsave and spin_unlock_irqrestore instead of spin_lock

and spin_unlock in mtk_star_emac driver to avoid spinlock recursion

occurrence that can happen when enabling the DMA interrupts again in

rx/tx poll.

```

BUG: spinlock recursion on CPU#0, swapper/0/0

lock: 0xffff00000db9cf20, .magic: dead4ead, .owner: swapper/0/0,

.owner_cpu: 0

CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted

6.15.0-rc2-next-20250417-00001-gf6a27738686c-dirty #28 PREEMPT

Hardware name: MediaTek MT8365 Open Platform EVK (DT)

Call trace:

show_stack+0x18/0x24 (C)

dump_stack_lvl+0x60/0x80

dump_stack+0x18/0x24

spin_dump+0x78/0x88

do_raw_spin_lock+0x11c/0x120

_raw_spin_lock+0x20/0x2c

mtk_star_handle_irq+0xc0/0x22c [mtk_star_emac]

__handle_irq_event_percpu+0x48/0x140

handle_irq_event+0x4c/0xb0

handle_fasteoi_irq+0xa0/0x1bc

handle_irq_desc+0x34/0x

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/6fe0866014486736cc3ba1c6fd4606d3dbe55c9cRefgit.kernel.org/stable/c/7cb10f17bddc415f30fbc00a4e2b490e0d94c462Refgit.kernel.org/stable/c/8d40bf73fa7f31eac2b0a7c9d85de67df82ee7f3Refgit.kernel.org/stable/c/94107259f972d2fd896dbbcaa176b3b2451ff9e5Refgit.kernel.org/stable/c/bedd287fdd3142dffad7ae2ac6ef15f4a2ad0629Refgit.kernel.org/stable/c/d886f8d85494d12b2752fd7c6c32162d982d5dd5Reflists.debian.org/debian-lts-announce/2025/08/msg00010.htmlRefcert-portal.siemens.com/productcert/html/ssa-019113.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-37917?

CVE-2025-37917 is a high-severity vulnerability. It was published on May 20, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-37917?

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-2025-37917?

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-2025-37917?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-37917 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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