#VU96648 Input validation error in Linux kernel - CVE-2022-48944
Published: August 30, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU96648
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-2022-48944
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 tg_nop(), sched_fork(), sched_post_fork(), set_user_nice(), __setscheduler_params() and sched_init() functions in kernel/sched/core.c, within the copy_process() function in kernel/fork.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/3411613611a5cddf7e80908010dc87cb527dd13b
- https://git.kernel.org/stable/c/c65cfd89cef669d90c59f3bf150af6458137a04f
- https://git.kernel.org/stable/c/b1e8206582f9d680cff7d04828708c8b6ab32957
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.27
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17