What’s Vulnerable › Vulnerabilities

CVE-2026-93152: nvme-apple: Use acquire/release for queue enabled state

• 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: 2026-09-17 · updated 2026-10-19

Description

In the Linux kernel, the following vulnerability has been resolved: nvme-apple: Use acquire/release for queue enabled state apple_nvme_init_queue() initializes queue state and then marks the queue enabled. The interrupt and request paths check enabled before using that queue state. The old wmb() after WRITE_ONCE(enabled, true) does not publish the earlier initialization before enabled becomes visible. Use a release store when enabling the queue and acquire loads when testing it. Although the shutdown-side enabled accesses are not used for publishing queue initialization, use helpers for them as well for consistency.

Affected products

• Linux kernel: 5.19 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux kernel 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0e9d9fe12da779516dc3899dc9141304675f5416
• https://git.kernel.org/stable/c/840ab22ffa4d859ca40a31e96fc3554688e7a035
• https://git.kernel.org/stable/c/86782a72c6d8c7541813b9ddb009668468601f18
• https://git.kernel.org/stable/c/cbe53ecd696e354bfda8173364f7595759bc562d
• https://git.kernel.org/stable/c/e5a79244a3c526a76d930f2ef30aff64528b0c6a
• https://git.kernel.org/stable/c/f61c934aa084b7440fec681be3f4b481eb5a8609

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