Description
In the Linux kernel, the following vulnerability has been resolved:
iio: imu: st_lsm6dsx: fix iio_chan_spec for sensors without event detection
The st_lsm6dsx_acc_channels array of struct iio_chan_spec has a non-NULL event_spec field, indicating support for IIO events. However, event detection is not supported for all sensors, and if userspace tries to configure accelerometer wakeup events on a sensor device that does not support them (e.g. LSM6DS0), st_lsm6dsx_write_event() dereferences a NULL pointer when trying to write to the wakeup register. Define an additional struct iio_chan_spec array whose members have a NULL event_spec field, and use this array instead of st_lsm6dsx_acc_channels for sensors without event detection capability.
Metrics
No CVSS score has been published yet.
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= b5969abfa8b8ed43ebd93479d394f664bd4a5a87, < 33c683417232b9111e29458954529942137780a3; >= b5969abfa8b8ed43ebd93479d394f664bd4a5a87, < 7673167fac9323110973a3300637adba7d45de3a; >= b5969abfa8b8ed43ebd93479d394f664bd4a5a87, < 4d60ffcdedfe2cdb68a1cde19bb292bc67451629; >= b5969abfa8b8ed43ebd93479d394f664bd4a5a87, < 81ed6e42d6e555dd978c9dd5e3f7c20cb121221b; >= b5969abfa8b8ed43ebd93479d394f664bd4a5a87, < c34e2e2d67b3bb8d5a6d09b0d6dac845cdd13fb3 |
| Linux | Linux | 5.5 |
References
- https://git.kernel.org/stable/c/33c683417232b9111e29458954529942137780a3
- https://git.kernel.org/stable/c/4d60ffcdedfe2cdb68a1cde19bb292bc67451629
- https://git.kernel.org/stable/c/7673167fac9323110973a3300637adba7d45de3a
- https://git.kernel.org/stable/c/81ed6e42d6e555dd978c9dd5e3f7c20cb121221b
- https://git.kernel.org/stable/c/c34e2e2d67b3bb8d5a6d09b0d6dac845cdd13fb3
Timeline
- Published
- Feb 4, 2026
- Last modified
- Oct 30, 2026
- NVD status
- Deferred