SB20260528230 - Improper input validation in Linux kernel netfilter ipvs
Published: May 28, 2026
Security Bulletin ID
SB20260528230
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper input validation (CVE-ID: CVE-2026-45850)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper input validation in ipvs checksum validation when processing IPv6 packets with extension headers. A remote attacker can send specially crafted IPv6 packets to cause a denial of service.
Remediation
Install update from vendor's website.