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CVE PROGRAM SOURCE RECORD7.3 High

CVE-2026-62433

correct buffer checks for DM_OP hypercalls

Description

Parts of the DM_OP handling code assumes the caller has provided the required number of buffers for the given operation without any checking being done. As a result, certain operations might access stack rubble as structures are possibly uninitialized.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Xen Xen

Default version status: unknown

  • consult Xen advisory XSA-506unknown

References