CVE-2026-92478: scsi: ufs: core: Validate connected lane counts

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: scsi: ufs: core: Validate connected lane counts The connected lane count is used by TX equalization code to index arrays sized by UFS_MAX_LANES. Reject zero and out-of-range RX or TX lane counts before they can be propagated.

Affected products

Linux kernel: 7.1 — 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/4b62f73836f4d037c9afd20c4c6084e4d44b3a57
https://git.kernel.org/stable/c/9e6dd452f1affb5c412ca64bf5809ce9fde3174d

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