CVE-2022-49794 Information

Description

In the Linux kernel the following vulnerability has been resolved:

iio: adc: at91_adc: fix possible memory leak in at91_adc_allocate_trigger()

If iio_trigger_register() returns error it should call iio_trigger_free() to give up the reference that hold in iio_trigger_alloc() so that it can call iio_trig_release() to free memory when the refcount hit to 0.

Reference

https://git.kernel.org/stable/c/1bf8c0aff8fb5c4edf3ba6728e6bedbd610d7f4b https://git.kernel.org/stable/c/2b29a7f2d52fb5281b30cf61c947d88bab18a29b https://git.kernel.org/stable/c/65f20301607d07ee279b0804d11a05a62a6c1a1c https://git.kernel.org/stable/c/7b75515728b628a9a7540f201efdeb8ca7299385 https://git.kernel.org/stable/c/85d2a8b287a89853c0dcfc5a97b5e9d36376fe37 https://git.kernel.org/stable/c/a0d98ae5a62a7bbad8fcf9fa22e0a1274197bbc4 https://git.kernel.org/stable/c/c27a3b6ba23350708cf5ab9962337447b51eb76d https://git.kernel.org/stable/c/c3ce73f60599a483dca7becd4112508833a40ef9