#VU124962 Improper input validation in Linux kernel - CVE-2026-31407
Published: April 6, 2026
Vulnerability identifier: #VU124962
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-31407
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 remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in the sctp netlink attribute handling when processing crafted netlink attributes. A remote attacker can supply an invalid CTA_PROTOINFO_SCTP_STATE value to cause a denial of service.
Remediation
Install security update from vendor's repository.