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CVE-2026-68466

8.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: lpc32xx_slc: fail DMA transfer on completion timeout lpc32xx_xmit_dma() waits for the DMA completion callback but…

Published Aug 15, 2026EPSS 0.13%

Overview

CVE-2026-68466 is a high-severity vulnerability. It was published on August 15, 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. Some level of privileges is required for exploitation.

Technical description

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

mtd: rawnand: lpc32xx_slc: fail DMA transfer on completion timeout

lpc32xx_xmit_dma() waits for the DMA completion callback but ignores

wait_for_completion_timeout(). A timed out DMA transfer is therefore

unmapped and reported as successful to the NAND read/write path.

Return -ETIMEDOUT when the completion wait expires. Terminate the DMA

channel before unmapping the scatterlist so the timed out transfer cannot

continue to access the buffer after the error is returned.

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/17a8ce84964f243c8f89dc7353ac7e8d3137bc74Refgit.kernel.org/stable/c/307e4f4c1d4e1575b3495ecc6e41aa2adc40f491Refgit.kernel.org/stable/c/623c4d8e740debb4af28981e3d4e209f9d0260a4Refgit.kernel.org/stable/c/8f5c3ee53a5dc1a0f7cfd780485f2c8b5d17f91dRefgit.kernel.org/stable/c/bd4a622786f92e1f183f7557ab89dd32891cef60Refgit.kernel.org/stable/c/c367af37ce7238c96c6071337149099467160746Refgit.kernel.org/stable/c/cb2031f8b226efbd13735c07b075e5f14ec11f6dRefgit.kernel.org/stable/c/cf7258f57d18026b8f77c0e80ff1805e9caf7250

How CyberStrike helps

Frequently asked questions

What is CVE-2026-68466?

CVE-2026-68466 is a high-severity vulnerability. It was published on August 15, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-68466?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-68466?

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-2026-68466?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-68466 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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