CVE-2022-48944 sched: Fix yet more sched_fork() races

In the Linux kernel, the following vulnerability has been resolved: sched: Fix yet more schedfork races Where commit 4ef0c5c6b5ba "kernel/sched: Fix schedfork access an invalid schedtaskgroup" fixed a fork race vs cgroup, it opened up a race vs syscalls by not placing the task on the runqueue...

CVE-2022-48944

The CVE-2022-48944 issue is a Linux kernel race in sched/fork() related to how new tasks are exposed via pidhash and runqueue handling. The description cites prior fixes that fixed a fork race vs cgroup (commit 4ef0c5c6b5ba) and a subsequent change that effectively reverted that, aiming to fix th...