In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Fix access to uninitialized variable in tick_ctx_cleanup() The group variable can't be used to retrieve ptdev in our second loop, because it points to the previously iterated list_head, not a valid group. Get the ptdev object from the scheduler instead.
https://git.kernel.org/stable/c/ac2ca5e5148a0d4d78ac01c2d8348d0757c7367f
https://git.kernel.org/stable/c/3bde05794497d5f426d4ea2ecb9868bf7721fb24
https://git.kernel.org/stable/c/282864cc5d3f144af0cdea1868ee2dc2c5110f0d