No patched kernels are available yet for 22.04, 24.04, or 26.04 despite a CVSS 9.8 rating. L Ubuntu has not shipped fixed kernels for CVE-2026-98432, a critical vulnerability scored CVSS 9.8, leaving the 22.04, 24.04, and 26.04 LTS releases without a vendor update. Operators running those releases therefore have no official kernel package that closes the hole.