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CVE-2024-38553

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: net: fec: remove .ndo_poll_controller to avoid deadlocks There is a deadlock issue found in sungem driver, please refer to the…

Published Jun 19, 2024CWE-667EPSS 0.19%

Overview

CVE-2024-38553 is a medium-severity vulnerability. It was published on June 19, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

net: fec: remove .ndo_poll_controller to avoid deadlocks

There is a deadlock issue found in sungem driver, please refer to the

commit ac0a230f719b ("eth: sungem: remove .ndo_poll_controller to avoid

deadlocks"). The root cause of the issue is that netpoll is in atomic

context and disable_irq() is called by .ndo_poll_controller interface

of sungem driver, however, disable_irq() might sleep. After analyzing

the implementation of fec_poll_controller(), the fec driver should have

the same issue. Due to the fec driver uses NAPI for TX completions, the

.ndo_poll_controller is unnecessary to be implemented in the fec driver,

so fec_poll_controller() can be safely removed.

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/87bcbc9b7e0b43a69d44efa5f32f11e32d08fa6fRefgit.kernel.org/stable/c/accdd6b912c4219b8e056d1f1ad2e85bc66ee243Refgit.kernel.org/stable/c/c2e0c58b25a0a0c37ec643255558c5af4450c9f5Refgit.kernel.org/stable/c/d38625f71950e79e254515c5fc585552dad4b33eRefgit.kernel.org/stable/c/e2348d8c61d03feece1de4c05f72e6e99f74c650Refgit.kernel.org/stable/c/87bcbc9b7e0b43a69d44efa5f32f11e32d08fa6fRefgit.kernel.org/stable/c/accdd6b912c4219b8e056d1f1ad2e85bc66ee243Refgit.kernel.org/stable/c/c2e0c58b25a0a0c37ec643255558c5af4450c9f5Refgit.kernel.org/stable/c/d38625f71950e79e254515c5fc585552dad4b33eReflists.debian.org/debian-lts-announce/2025/01/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-38553?

CVE-2024-38553 is a medium-severity vulnerability. It was published on June 19, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-38553?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-38553?

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-2024-38553?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-38553 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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