Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2026-43113

8.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: wifi: wl1251: validate packet IDs before indexing tx_frames wl1251_tx_packet_cb() uses the firmware completion ID directly to i…

Published May 6, 2026CWE-476EPSS 0.41%

Overview

CVE-2026-43113 is a high-severity vulnerability. It was published on May 6, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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

wifi: wl1251: validate packet IDs before indexing tx_frames

wl1251_tx_packet_cb() uses the firmware completion ID directly to index

the fixed 16-entry wl->tx_frames[] array. The ID is a raw u8 from the

completion block, and the callback does not currently verify that it

fits the array before dereferencing it.

Reject completion IDs that fall outside wl->tx_frames[] and keep the

existing NULL check in the same guard. This keeps the fix local to the

trust boundary and avoids touching the rest of the completion flow.

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/0fd56fad9c56356e7fa7a7c52e7ecbf807a44eb0Refgit.kernel.org/stable/c/26ee518695c484f75e3606d631278e84bd24ae02Refgit.kernel.org/stable/c/6509dbece7339dbc8980c706b9d623119a6de105Refgit.kernel.org/stable/c/8d7465be5163a923ee5d7459719ef5a021c1584aRefgit.kernel.org/stable/c/a8a11a876f0a97061ee5d9e61d0f5a0df7e241c7Refgit.kernel.org/stable/c/b6ba1eacf276063ebeefbbae8056043c24f2efafRefgit.kernel.org/stable/c/df15adc692a802636dd3f258fc7cca8bf7a0ed9aRefgit.kernel.org/stable/c/e0dc1ad870d6788b049bfe1511ac75b2333a7550

How CyberStrike helps

Frequently asked questions

What is CVE-2026-43113?

CVE-2026-43113 is a high-severity vulnerability. It was published on May 6, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-43113?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-43113?

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-2026-43113?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-43113 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.

Related HIGH CVEs from 2026

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999