CVE-2026-31768

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux4d671b71beefbfc145b971a11e0c3cabde94b673 < b3bb8faeca1a2ef7be95ee8a512b639f9ffce947affected
LinuxLinux4d671b71beefbfc145b971a11e0c3cabde94b673 < fa64aab25aba47296aa8d12bb4c88ec3fecb2054affected
LinuxLinux4d671b71beefbfc145b971a11e0c3cabde94b673 < 67b3a91bdc48220bfb67155ab528121b9c822782affected
LinuxLinux4d671b71beefbfc145b971a11e0c3cabde94b673 < 014c6d27878d3883f7bb065610768fd021de1a96affected
LinuxLinux4d671b71beefbfc145b971a11e0c3cabde94b673 < d2d031b0786ea66ab0577c9d2d71435068d32199affected
LinuxLinux4d671b71beefbfc145b971a11e0c3cabde94b673 < 768461517a28d80fe81ea4d5d03a90cd184ea6adaffected
LinuxLinux4.9affected
LinuxLinux0 < 4.9unaffected
LinuxLinux6.1.168 <= 6.1.*unaffected
LinuxLinux6.6.134 <= 6.6.*unaffected
LinuxLinux6.12.81 <= 6.12.*unaffected
LinuxLinux6.18.22 <= 6.18.*unaffected
LinuxLinux6.19.12 <= 6.19.*unaffected
LinuxLinux7.0 <= *unaffected

Weaknesses

References