CVE-2026-62432 Affecting xen package, versions *


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.21% (12th percentile)

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  • Snyk IDSNYK-ECHOLATEST-XEN-18388984
  • published29 Jul 2026
  • disclosed28 Jul 2026

Introduced: 28 Jul 2026

NewCVE-2026-62432  (opens in a new tab)

How to fix?

There is no fixed version for Echo:latest xen.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xen package and not the xen package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

The EVTCHNOP_expand_array hypercall checks for whether FIFO event channels are enabled, but without holding the correct lock. It can race with EVTCHNOP_reset, resulting in dereferencing a NULL pointer.

CVSS Base Scores

version 3.1