CVE-2026-62433 — correct buffer checks for DM_OP hypercalls

CVE-2026-62433

correct buffer checks for DM_OP hypercalls PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
Xen / Xen	unknown consult Xen advisory XSA-506

CWE

No CWE identifiers supplied.

References

https://xenbits.xenproject.org/xsa/advisory-506.html

ADP enrichment

CVE

No English description supplied.

http://xenbits.xen.org/xsa/advisory-506.html
http://www.openwall.com/lists/oss-security/2026/07/28/22

CISA-ADP

No English description supplied.

No references supplied.