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CVE-2026-68353

8.1 · HIGH

In the Linux kernel, the following vulnerability has been resolved: wifi: ath6kl: fix OOB read from firmware num_msg in TX complete handler The firmware-controlled num_msg field (u8, 0-255) drive…

Published Aug 10, 2026EPSS 0.29%

Overview

CVE-2026-68353 is a high-severity vulnerability. It was published on August 10, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, 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: ath6kl: fix OOB read from firmware num_msg in TX complete handler

The firmware-controlled num_msg field (u8, 0-255) drives the loop in

ath6kl_wmi_tx_complete_event_rx() without validation against the buffer

length. This allows out-of-bounds reads of up to 1020 bytes past the

WMI event buffer when the firmware sends an inflated num_msg.

Add a check that the buffer is large enough to hold the fixed struct

and the num_msg variable-length entries.

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/0e0fc04af9b443c6b425f00fb604ff599bc80d1dRefgit.kernel.org/stable/c/289edc3c71344b89e6522891147cfb8f61b088bbRefgit.kernel.org/stable/c/35196a07603f8c94a4943093bc26d5b5826285f8Refgit.kernel.org/stable/c/3a21c89215cc18f1a97c5e5bfd1da6d4f3d44495Refgit.kernel.org/stable/c/5297299c3fa6133275db0be99d69cd759b6cbfe9Refgit.kernel.org/stable/c/69ac7ba3a3df6654e7daa82674575a8c4a1a63eaRefgit.kernel.org/stable/c/c38b0d5c661951b5dd082bdf31f8a57a0ce6e540Refgit.kernel.org/stable/c/eb636fbc443149b3501c3f97e26225ddcb314a0f

How CyberStrike helps

Frequently asked questions

What is CVE-2026-68353?

CVE-2026-68353 is a high-severity vulnerability. It was published on August 10, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-68353?

This vulnerability has a CVSS 3.1 base score of 8.1, 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-2026-68353?

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-2026-68353?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-68353 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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