CVE-2026-98679
Description
In the Linux kernel, the following vulnerability has been resolved: iio: accel: kxcjk-1013: reject duplicate event disable The IIO core does not filter duplicate writes to the event enable attribute. kxcjk1013_write_event_config() already ignores repeated enable requests, but a repeated disable request still calls kxcjk1013_set_power_state(data, false), dropping a runtime PM reference that was not acquired for this request. This can underflow the runtime PM usage count and trigger a "Runtime PM usage count underflow" warning. Return early when the requested state already matches ev_enable_state.
How to fix
- Linux Linuxb33dfdc0f22dd6c9cb9ae34a32723ef0a5d2ccf5, 8c6d1abaff5dbbe2d2b7529de7f1f2395a2f07e9, 2f9f88da802733bab7a87a0e685c8cfa7488f6ac, 137c35cff4d4d69f73cbfc0bf7870bf379a7a364, ad690c0c1b9131725619e352cb7c970488cbf436, 3365209e758c845a197211645731f0e393a86012, aa94a37b5a3e560c277dac6f9e5d0d75549a6583, dd30c10ff60d2b30386c23bb7c61cc97f2385c97 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | b4b491c0832ef90a7a5070e5975bc8427f2049ca ≤ v < b33dfdc0f22dd6c9cb9ae34a32723ef0a5d2ccf5, b4b491c0832ef90a7a5070e5975bc8427f2049ca ≤ v < 8c6d1abaff5dbbe2d2b7529de7f1f2395a2f07e9, b4b491c0832ef90a7a5070e5975bc8427f2049ca ≤ v < 2f9f88da802733bab7a87a0e685c8cfa7488f6ac, b4b491c0832ef90a7a5070e5975bc8427f2049ca ≤ v < 137c35cff4d4d69f73cbfc0bf7870bf379a7a364, b4b491c0832ef90a7a5070e5975bc8427f2049ca ≤ v < ad690c0c1b9131725619e352cb7c970488cbf436, b4b491c0832ef90a7a5070e5975bc8427f2049ca ≤ v < 3365209e758c845a197211645731f0e393a86012, b4b491c0832ef90a7a5070e5975bc8427f2049ca ≤ v < aa94a37b5a3e560c277dac6f9e5d0d75549a6583, b4b491c0832ef90a7a5070e5975bc8427f2049ca ≤ v < dd30c10ff60d2b30386c23bb7c61cc97f2385c97, 3.18 | b33dfdc0f22dd6c9cb9ae34a32723ef0a5d2ccf5, 8c6d1abaff5dbbe2d2b7529de7f1f2395a2f07e9, 2f9f88da802733bab7a87a0e685c8cfa7488f6ac, 137c35cff4d4d69f73cbfc0bf7870bf379a7a364, ad690c0c1b9131725619e352cb7c970488cbf436, 3365209e758c845a197211645731f0e393a86012, aa94a37b5a3e560c277dac6f9e5d0d75549a6583, dd30c10ff60d2b30386c23bb7c61cc97f2385c97 |
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