Function Call with Incorrectly Specified Arguments in Linux kernel - CVE-2026-98078
Published: September 28, 2026
Vulnerability identifier: #VU152374
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-98078
CWE-ID: CWE-628
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose stale heap data and corrupt connection sequence state.
The vulnerability exists due to incorrect function call argument ordering in the version 1 IPVS synchronization sender when serializing connection sequence data. A remote attacker can send traffic that causes connection sequence data to be synchronized to disclose stale heap data and corrupt connection sequence state.
Only connections with sequence-state flags set are affected.
Affected software
Linux kernel
How to mitigate CVE-2026-98078
Install security update from vendor's repository.