"Fragnesia" is a variant of Dirty Frag vulnerability in the ESP/XFRM leading to Local Privilege Escalation (LPE) vulnerability in the Linux kernel

Summary

"Fragnesia" is a variant of Dirty Frag vulnerability in the ESP/XFRM leading to Local Privilege Escalation (LPE) vulnerability in the Linux kernel. Red Hat rates this important (CVSS 7.8). Weakness: CWE-123. Affected package(s): rhcos, kernel-rt, kernel, openshift, kpatch-patch. Resolved in Red Hat advisory RHSA-2026:23470 — update the affected packages (`sudo dnf update`).