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CVE-2026-23558

גבוהה 7.8

תיאור (מקור, אנגלית)

The adjustments made for XSA-379 as well as those subsequently becoming XSA-387 still left a race window, when a HVM or PVH guest does a grant table version change from v2 to v1 in parallel with mapping the status page(s) via XENMEM_add_to_physmap. Some of the status pages may then be freed while mappings of them would still be inserted into the guest's secondary (P2M) page tables.

מדדים

CVSS 3.1
7.8 (HIGH) מקור הציון: CNA CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS — סבירות ניצול
0% (אחוזון 000) נכון ל-4/8/2026
CWE
CWE-362

מוצרים מושפעים

xen: xen

קישורים