CVE-2022-49528 Information

Description

In the Linux kernel the following vulnerability has been resolved:

media: i2c: dw9714: Disable the regulator when the driver fails to probe

When the driver fails to probe we will get the following splat:

[ 59.305988] ————[ cut here ]———— [ 59.306417] WARNING: CPU: 2 PID: 395 at drivers/regulator/core.c:2257 _regulator_put+0x3ec/0x4e0 [ 59.310345] RIP: 0010:_regulator_put+0x3ec/0x4e0 [ 59.318362] Call Trace: [ 59.318582] [ 59.318765] regulator_put+0x1f/0x30 [ 59.319058] devres_release_group+0x319/0x3d0 [ 59.319420] i2c_device_probe+0x766/0x940

Fix this by disabling the regulator in error handling.

Reference

https://git.kernel.org/stable/c/02276e18defa2fccf16413b44440277d98c2b1ea https://git.kernel.org/stable/c/fa83ea1de5b3efd87fe01408d5db1fd2ff4767fa