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CVE-2026-53298

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: net: airoha: Move ndesc initialization at end of airoha_qdma_init_rx_queue() If queue entry or DMA descriptor list allocation f…

Published Jun 26, 2026CWE-476EPSS 0.16%

Overview

CVE-2026-53298 is a medium-severity vulnerability. It was published on June 26, 2026 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: airoha: Move ndesc initialization at end of airoha_qdma_init_rx_queue()

If queue entry or DMA descriptor list allocation fails in

airoha_qdma_init_rx_queue routine, airoha_qdma_cleanup() will trigger a

NULL pointer dereference running netif_napi_del() for RX queue NAPIs

since netif_napi_add() has never been executed to this particular RX NAPI.

The issue is due to the early ndesc initialization in

airoha_qdma_init_rx_queue() since airoha_qdma_cleanup() relies on ndesc

value to check if the queue is properly initialized. Fix the issue moving

ndesc initialization at end of airoha_qdma_init_tx routine.

Move page_pool allocation after descriptor list allocation in order to

avoid memory leaks if desc allocation fails.

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/14dc48e5ba73d5c69559bf1a1a6884f7843aade7Refgit.kernel.org/stable/c/379050947a1828826ad7ea50c95245a56929b35aRefgit.kernel.org/stable/c/4d4acfa348a1d8c0941004823662ede0fdb5dea5Refgit.kernel.org/stable/c/d36be272adda7f313e39dd118086955d993bf6a7

How CyberStrike helps

Frequently asked questions

What is CVE-2026-53298?

CVE-2026-53298 is a medium-severity vulnerability. It was published on June 26, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-53298?

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-2026-53298?

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-2026-53298?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-53298 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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