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

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-15 · updated 2026-10-03

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.

Affected products

• Linux kernel: from 6.1.188 before 6.1.189; from 6.6.157 before 6.6.158; from 6.12.110 before 6.12.111; 6.18 — fixed in 6.1.189, 6.12.111, 6.6.158, 7.2

How to fix

Upgrade to a fixed version: Linux kernel 6.1.189, 6.12.111, 6.6.158, 7.2. Check the vendor advisory for mitigations.

References

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

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