#VU120872 Input validation error in Linux kernel - CVE-2022-50883
Published: December 30, 2025
Vulnerability identifier: #VU120872
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-2022-50883
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 btf_func_proto_check() function in kernel/bpf/btf.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/329a76635548ee8fceb3b78c7d54d96524e80925
- https://git.kernel.org/stable/c/3f3d54962a032581996edda8e6bcbf7a30371234
- https://git.kernel.org/stable/c/89357aa97b521fca76e39d81e2b1ac5edb3d0b96
- https://git.kernel.org/stable/c/b327c68ace71ba9cb3105ae6a5955a229e9bdca3
- https://git.kernel.org/stable/c/e6d276dcc9204f95632580c43d66c52ca502d7ec
- https://git.kernel.org/stable/c/f17472d4599697d701aa239b4c475a506bccfd19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.163
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.229
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2