#VU94997 Input validation error in Linux kernel - CVE-2024-42126
Published: July 31, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU94997
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-2024-42126
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 pcpu_cpu_to_node() and setup_per_cpu_areas() functions in arch/powerpc/kernel/setup_64.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/8d3f83dfb23674540c827a8d65fba20aa300b252
- https://git.kernel.org/stable/c/0f37946c62c48a907625348cbc720a7a0c547d1e
- https://git.kernel.org/stable/c/2c78c9411e685dbc9eac8c2845111b03501975b8
- https://git.kernel.org/stable/c/0db880fc865ffb522141ced4bfa66c12ab1fbb70
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.224
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.165
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.98
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.39