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CVE-2026-31768

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: iio: adc: ti-adc161s626: use DMA-safe memory for spi_read() Add a DMA-safe buffer and use it for spi_read() instead of a stack…

Published May 1, 2026EPSS 0.18%

Overview

CVE-2026-31768 is a high-severity vulnerability. It was published on May 1, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, 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:

iio: adc: ti-adc161s626: use DMA-safe memory for spi_read()

Add a DMA-safe buffer and use it for spi_read() instead of a stack

memory. All SPI buffers must be DMA-safe.

Since we only need up to 3 bytes, we just use a u8[] instead of __be16

and __be32 and change the conversion functions appropriately.

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/014c6d27878d3883f7bb065610768fd021de1a96Refgit.kernel.org/stable/c/67b3a91bdc48220bfb67155ab528121b9c822782Refgit.kernel.org/stable/c/768461517a28d80fe81ea4d5d03a90cd184ea6adRefgit.kernel.org/stable/c/b3bb8faeca1a2ef7be95ee8a512b639f9ffce947Refgit.kernel.org/stable/c/d2d031b0786ea66ab0577c9d2d71435068d32199Refgit.kernel.org/stable/c/fa64aab25aba47296aa8d12bb4c88ec3fecb2054Refcert-portal.siemens.com/productcert/html/ssa-019113.htmlRefcert-portal.siemens.com/productcert/html/ssa-082556.html

How CyberStrike helps

Frequently asked questions

What is CVE-2026-31768?

CVE-2026-31768 is a high-severity vulnerability. It was published on May 1, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-31768?

This vulnerability has a CVSS 3.1 base score of 7.8, 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-2026-31768?

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-2026-31768?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-31768 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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