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Vulnerability record · CVE-2026-31768 · published 1 May 2026

CVE-2026-31768: Linux kernel vulnerability

Linux · Linux Kernel

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.

7.8 CVSS 3.1 High EPSS 0.18% · top 93.7%
7.8CVSS 3.1 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
14 Jul 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/stable/c/014c6d27878d3883f7bb065610768fd021de1a96 Patch
https://git.kernel.org/stable/c/67b3a91bdc48220bfb67155ab528121b9c822782 Patch
https://git.kernel.org/stable/c/768461517a28d80fe81ea4d5d03a90cd184ea6ad Patch
https://git.kernel.org/stable/c/b3bb8faeca1a2ef7be95ee8a512b639f9ffce947 Patch
https://git.kernel.org/stable/c/d2d031b0786ea66ab0577c9d2d71435068d32199 Patch
https://git.kernel.org/stable/c/fa64aab25aba47296aa8d12bb4c88ec3fecb2054 Patch
https://cert-portal.siemens.com/productcert/html/ssa-019113.html
https://cert-portal.siemens.com/productcert/html/ssa-082556.html

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Source: NIST National Vulnerability Database (record CVE-2026-31768), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.