#VU93687 Input validation error in Linux kernel - CVE-2022-48638
Published: July 2, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93687
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-48638
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the cgroup_get_from_id() function in kernel/cgroup/cgroup.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/8484a356cee8ce3d6a8e6266ff99be326e9273ad
- https://git.kernel.org/stable/c/1e9571887f97b17cf3ffe9aa4da89090ea60988b
- https://git.kernel.org/stable/c/df02452f3df069a59bc9e69c84435bf115cb6e37
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.72
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0