Vulnerability in Xen

CVE-2026-23554

The Intel EPT paging code uses an optimization to defer flushing of any cached EPT state until the p2m lock is dropped, so that multiple modifications done under the same locked region only issue a single flush. Freeing of paging structur…

EPSS: 0.000 (0.3th percentile) — read the EPSS interpretation.

Affected products

  • Xen — versions consult Xen advisory XSA-480

References