SB2024083065 - Input validation error in Linux kernel linux sched
Published: August 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024083065
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2022-48944)
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.
References
- 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