#VU122006 Input validation error in Linux kernel - CVE-2026-22988
Published: January 24, 2026
Vulnerability identifier: #VU122006
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-2026-22988
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 arp_create() function in net/ipv4/arp.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/029935507d0af6553c45380fbf6feecf756fd226
- https://git.kernel.org/stable/c/393525dee5c39acff8d6705275d7fcaabcfb7f0a
- https://git.kernel.org/stable/c/70bddc16491ef4681f3569b3a2c80309a3edcdd1
- https://git.kernel.org/stable/c/949647e7771a4a01963fe953a96d81fba7acecf3
- https://git.kernel.org/stable/c/c92510f5e3f82ba11c95991824a41e59a9c5ed81
- https://git.kernel.org/stable/c/dd6ccec088adff4bdf33e2b2dd102df20a7128fa
- https://git.kernel.org/stable/c/e432dbff342b95fe44645f9a90fcf333c80f4b5e