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HIGHCVE-2026-31768Published Modified CNA Linux

CVE-2026-31768: iio: adc: ti-adc161s626: use DMA-safe memory for spi_read()

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.

Metrics

CVSS v3.1
7.8
Severity
HIGH
Fixed in
0
Affected Products
2

Fix available

0014c6d27878d3883f7bb065610768fd021de1a966.1.1686.6.1346.12.816.18.226.19.1267b3a91bdc48220bfb67155ab528121b9c8227827.0768461517a28d80fe81ea4d5d03a90cd184ea6adb3bb8faeca1a2ef7be95ee8a512b639f9ffce947d2d031b0786ea66ab0577c9d2d71435068d32199fa64aab25aba47296aa8d12bb4c88ec3fecb2054
Affected packages
  • Linux / Linux
    < b3bb8faeca1a2ef7be95ee8a512b639f9ffce947 (from 4d671b71beefbfc145b971a11e0c3cabde94b673) · < fa64aab25aba47296aa8d12bb4c88ec3fecb2054 (from 4d671b71beefbfc145b971a11e0c3cabde94b673) · < 67b3a91bdc48220bfb67155ab528121b9c822782 (from 4d671b71beefbfc145b971a11e0c3cabde94b673) · < 014c6d27878d3883f7bb065610768fd021de1a96 (from 4d671b71beefbfc145b971a11e0c3cabde94b673) · < d2d031b0786ea66ab0577c9d2d71435068d32199 (from 4d671b71beefbfc145b971a11e0c3cabde94b673) · < 768461517a28d80fe81ea4d5d03a90cd184ea6ad (from 4d671b71beefbfc145b971a11e0c3cabde94b673)
  • Linux / Linux
    4.9
    Fixed in 0, 6.1.168, 6.6.134, 6.12.81, 6.18.22, 6.19.12, 7.0
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2026-31768: iio: adc: ti-adc161s626: use DMA-safe memory for spi_read() | HarborGuard CVE