CVE-2022-49570: gpio: gpio-xilinx: Fix integer overflow

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
Weakness: CWE-190

Description

In the Linux kernel, the following vulnerability has been resolved: gpio: gpio-xilinx: Fix integer overflow Current implementation is not able to configure more than 32 pins due to incorrect data type. So type casting with unsigned long to avoid it.

Affected products

Linux kernel: from 5.14 before 5.15.58; from 5.16 before 5.18.15; 5.19-rc1, 5.19-rc2, 5.19-rc3, 5.19-rc4, 5.19-rc5, 5.19-rc6 (+1) — fixed in 5.15.58, 5.18.15

How to fix

Upgrade to a fixed version: Linux kernel 5.15.58, 5.18.15. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/32c094a09d5829ad9b02cdf667569aefa8de0ea6
https://git.kernel.org/stable/c/6f16a5390640807dde420ee5ccbc4c95577aea6a
https://git.kernel.org/stable/c/e129e5486b981d324057e6986059f852658b0d00

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