CVE-2026-90249iio: light: gp2ap002: Fix unbalanced runtime PM on repeated event writes
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Sep 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 97d642e23037c5545266f9564c9b81e6db81b122 before b2d7a97d75b648a643f60d77f4d6d70161268855; from 97d642e23037c5545266f9564c9b81e6db81b122 before 685d9d1e5c47e024413981fb7eddab86132b04a1; 97d642e23037c5545266f9564c9b81e6db81b122 builds before 56fe8e5f313a64e458bb6f8b982de925345e21a7; 97d642e23037c5545266f9564c9b81e6db81b122 builds before 8e76ab81319858736ccf23141e9415f9a1869337; 97d642e23037c5545266f9564c9b81e6db81b122 builds before 70b9482926ca92862460e659f5e5fde99ae0b4fa; 97d642e23037c5545266f9564c9b81e6db81b122 builds before 0fc740c25c9abb25113398ebb58e2f2ce57741a7; from 97d642e23037c5545266f9564c9b81e6db81b122 before 470edb012b1d9a4fba1cd59e329e60f0798c791a; from 97d642e23037c5545266f9564c9b81e6db81b122 before 579c049b4cb6fc72ce2c505fc5334540be0efcd3 | CNA record |
References
- https://git.kernel.org/stable/c/b2d7a97d75b648a643f60d77f4d6d70161268855
- https://git.kernel.org/stable/c/685d9d1e5c47e024413981fb7eddab86132b04a1
- https://git.kernel.org/stable/c/56fe8e5f313a64e458bb6f8b982de925345e21a7
- https://git.kernel.org/stable/c/8e76ab81319858736ccf23141e9415f9a1869337
- https://git.kernel.org/stable/c/70b9482926ca92862460e659f5e5fde99ae0b4fa
- https://git.kernel.org/stable/c/0fc740c25c9abb25113398ebb58e2f2ce57741a7
- https://git.kernel.org/stable/c/470edb012b1d9a4fba1cd59e329e60f0798c791a
- https://git.kernel.org/stable/c/579c049b4cb6fc72ce2c505fc5334540be0efcd3
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.