SB2026012408 - Input validation error in Linux kernel ipv4
Published: January 24, 2026
Security Bulletin ID
SB2026012408
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-2026-22988)
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 website.
References
- 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