Description
In the Linux kernel, the following vulnerability has been resolved: gpio: omap: do not register driver in probe() Commit 11a78b794496 ("ARM: OMAP: MPUIO wake updates") registers the omap_mpuio_driver from omap_mpuio_init(), which is called from omap_gpio_probe(). However, it neither makes sense to register drivers from probe() callbacks of other drivers, nor does the driver core allow registering drivers with a device lock already being held. The latter was revealed by commit dc23806a7c47 ("driver core: enforce device_lock for driver_match_device()") leading to a potential deadlock condition described in [1]. Additionally, the omap_mpuio_driver is never unregistered from the driver core, even if the module is unloaded. Hence, register the omap_mpuio_driver from the module initcall and unregister it in module_exit().
Product status
11a78b7944963a8b052be46108d07a3ced9e2762 (git) before 57bcd3feffa79544c73a1a1872472389a391cc79
11a78b7944963a8b052be46108d07a3ced9e2762 (git) before 86588916e1887a5edb8a9161cd7ae81e47a7ed25
11a78b7944963a8b052be46108d07a3ced9e2762 (git) before a29215961d833f4de33a09c3964d31ebc6083033
11a78b7944963a8b052be46108d07a3ced9e2762 (git) before 1c04c3a4de8d4bcb9202f94c44f26c57c2572308
adc1796eced46b48e23ec200a219d635f33a38ee (git) before 673dafb9a86349a12a93151fd467625614dc7e12
11a78b7944963a8b052be46108d07a3ced9e2762 (git) before 2211d77892913804d16c28c7415b82804ab1e54c
cd0e0a76e40c2e77bcfc88291d00dca22b00158e (git) before a7fa9460b86f810913b6779461d0448e7c11214c
11a78b7944963a8b052be46108d07a3ced9e2762 (git) before 32f08c3ddd6dda6cbb6c9d715de10f21dccde50f
8d76b2488eb3cc0717ab81b60622cff4a5f90f79 (git) before 53a76425e0764421ba93bb9045d2e454667d5687
11a78b7944963a8b052be46108d07a3ced9e2762 (git) before 730e5ebff40c852e3ea57b71bf02a4b89c69435f
bc82e5f4d7dc8237ae8cabc73aa46fc93c85d98c (git) before 03db4dc9ad6eb91e640b517e00373ce877682854
2.6.22
Any version before 2.6.22
5.10.251 (semver)
5.15.201 (semver)
6.1.164 (semver)
6.6.125 (semver)
6.6.126 (semver)
6.12.72 (semver)
6.12.73 (semver)
6.18.11 (semver)
6.18.12 (semver)
6.19.2 (semver)
6.19 (original_commit_for_fix)
References
git.kernel.org/...c/57bcd3feffa79544c73a1a1872472389a391cc79
git.kernel.org/...c/86588916e1887a5edb8a9161cd7ae81e47a7ed25
git.kernel.org/...c/a29215961d833f4de33a09c3964d31ebc6083033
git.kernel.org/...c/1c04c3a4de8d4bcb9202f94c44f26c57c2572308
git.kernel.org/...c/673dafb9a86349a12a93151fd467625614dc7e12
git.kernel.org/...c/2211d77892913804d16c28c7415b82804ab1e54c
git.kernel.org/...c/a7fa9460b86f810913b6779461d0448e7c11214c
git.kernel.org/...c/32f08c3ddd6dda6cbb6c9d715de10f21dccde50f
git.kernel.org/...c/53a76425e0764421ba93bb9045d2e454667d5687
git.kernel.org/...c/730e5ebff40c852e3ea57b71bf02a4b89c69435f
git.kernel.org/...c/03db4dc9ad6eb91e640b517e00373ce877682854