7.3

CVE-2026-62433

correct buffer checks for DM_OP hypercalls

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerXen
≫
Produkt Xen
Default Statusunknown
Version consult Xen advisory XSA-506
Status unknown
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.26% 0.18
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 7.3 3.9 3.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE-665 Improper Initialization

The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.

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