Strix
64.3K

CVE-2026-90249

Unknown

Last modified

CVE-2026-90249 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: iio: light: gp2ap002: Fix unbalanced runtime PM on repeated event writes The IIO core does not filter duplicate writes to the event enable attribute, so writing the same value twice invokes write_event_config() twice. Enabling twice leaks a runtime PM reference, preventing the device from ever suspending again; disabling twice underflows the usage count and triggers a "Runtime PM usage count underflow" warning. Bail out early when the requested state matches the current state. While at it, switch to pm_runtime_resume_and_get() so a failed resume is propagated to userspace instead of silently marking the event enabled..

Description

In the Linux kernel, the following vulnerability has been resolved: iio: light: gp2ap002: Fix unbalanced runtime PM on repeated event writes The IIO core does not filter duplicate writes to the event enable attribute, so writing the same value twice invokes write_event_config() twice. Enabling twice leaks a runtime PM reference, preventing the device from ever suspending again; disabling twice underflows the usage count and triggers a "Runtime PM usage count underflow" warning. Bail out early when the requested state matches the current state. While at it, switch to pm_runtime_resume_and_get() so a failed resume is propagated to userspace instead of silently marking the event enabled.

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 97d642e23037c5545266f9564c9b81e6db81b122, < b2d7a97d75b648a643f60d77f4d6d70161268855; >= 97d642e23037c5545266f9564c9b81e6db81b122, < 685d9d1e5c47e024413981fb7eddab86132b04a1; >= 97d642e23037c5545266f9564c9b81e6db81b122, < 56fe8e5f313a64e458bb6f8b982de925345e21a7; >= 97d642e23037c5545266f9564c9b81e6db81b122, < 8e76ab81319858736ccf23141e9415f9a1869337; >= 97d642e23037c5545266f9564c9b81e6db81b122, < 70b9482926ca92862460e659f5e5fde99ae0b4fa; >= 97d642e23037c5545266f9564c9b81e6db81b122, < 0fc740c25c9abb25113398ebb58e2f2ce57741a7; >= 97d642e23037c5545266f9564c9b81e6db81b122, < 470edb012b1d9a4fba1cd59e329e60f0798c791a; >= 97d642e23037c5545266f9564c9b81e6db81b122, < 579c049b4cb6fc72ce2c505fc5334540be0efcd3
LinuxLinux5.7

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-90249?
In the Linux kernel, the following vulnerability has been resolved: iio: light: gp2ap002: Fix unbalanced runtime PM on repeated event writes The IIO core does not filter duplicate writes to the event enable attribute, so writing the same value twice invokes write_event_config() twice. Enabling twice leaks a runtime PM reference, preventing the device from ever suspending again; disabling twice underflows the usage count and triggers a "Runtime PM usage count underflow" warning. Bail out early when the requested state matches the current state. While at it, switch to pm_runtime_resume_and_get() so a failed resume is propagated to userspace instead of silently marking the event enabled.
How severe is CVE-2026-90249?
Severity scoring for CVE-2026-90249 is pending analysis.
How do I fix CVE-2026-90249?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2026

View all 2026CVEs →

Are you affected by CVE-2026-90249?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST