Vulnerability CVE-2022-48638
Published: 2024-04-28

Description:
In the Linux kernel, the following vulnerability has been resolved:

cgroup: cgroup_get_from_id() must check the looked-up kn is a directory

cgroup has to be one kernfs dir, otherwise kernel panic is caused,
especially cgroup id is provide from userspace.

 References:
https://git.kernel.org/stable/c/8484a356cee8ce3d6a8e6266ff99be326e9273ad
https://git.kernel.org/stable/c/1e9571887f97b17cf3ffe9aa4da89090ea60988b
https://git.kernel.org/stable/c/df02452f3df069a59bc9e69c84435bf115cb6e37
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