CVE-2022-48638
Moderate
cgroup: cgroup_get_from_id() must check the looked-up kn is a directory
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.
Exploit probability
0.2%
Published
April 28, 2024
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2022-48638
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/1e9571887f97b17cf3ffe9aa4da89090ea60988b
- https://git.kernel.org/stable/c/8484a356cee8ce3d6a8e6266ff99be326e9273ad
- https://git.kernel.org/stable/c/df02452f3df069a59bc9e69c84435bf115cb6e37
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48638.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-48638