What’s Vulnerable › Vulnerabilities

CVE-2022-49173: spi: fsi: Implement a timeout for polling status

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-26 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: spi: fsi: Implement a timeout for polling status The data transfer routines must poll the status register to determine when more data can be shifted in or out. If the hardware gets into a bad state, these polling loops may never exit. Prevent this by returning an error if a timeout is exceeded.

Affected products

• Linux kernel: from 5.7 before 5.16.19; from 5.17 before 5.17.2 — fixed in 5.16.19, 5.17.2

How to fix

Upgrade to a fixed version: Linux kernel 5.16.19, 5.17.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/89b35e3f28514087d3f1e28e8f5634fbfd07c554
• https://git.kernel.org/stable/c/d4982ceb137e6ecd2b466a6de639790a148cf19a
• https://git.kernel.org/stable/c/dac1438f347d3b8cf892105c94e254f29c5764de

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