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CVE-2026-98051

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: net: bcmasp: fix tx_spb_ring_full() checking same slot cnt times The loop initialised next_index from intf->tx_spb_index on eve…

Published Sep 25, 2026linuxCWE-670EPSS 0.12%

Overview

CVE-2026-98051 is a medium-severity vulnerability affecting linux linux_kernel. It was published on September 25, 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: bcmasp: fix tx_spb_ring_full() checking same slot cnt times

The loop initialised next_index from intf->tx_spb_index on every

iteration, so incr_ring() always produced the same result and only

one slot was ever tested. Move the initialisation before the loop

so each iteration advances next_index and the function correctly

checks that cnt consecutive descriptor slots are available before

allowing a new transmission.

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. 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.

Affected products

VendorProductVersionsStatus
linuxlinux_kernel>= 6.6, < 6.6.158Affected

References

Refgit.kernel.org/stable/c/0c5cf62e72d7a666ee4da757e122dc1600df1eccRefgit.kernel.org/stable/c/5df7ecd302488287665ab9767bacba7ed7e2842fRefgit.kernel.org/stable/c/990df1ba4d0805d1e7f6148c364febd2ab618766Refgit.kernel.org/stable/c/a8bddab54aa68b407f12294acb05bd552fb6a492Refgit.kernel.org/stable/c/f7f7a16dd46ace4e221336a184c7806f7de19547

How CyberStrike helps

Frequently asked questions

What is CVE-2026-98051?

CVE-2026-98051 is a medium-severity vulnerability affecting linux linux_kernel. It was published on September 25, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-98051?

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-2026-98051?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. 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-2026-98051?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-98051 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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