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CVE-2021-28701

🗓️ 08 Sep 2021 14:15:08Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 44 Views

Another race in XENMAPSPACE_grant_table handling. Guests have access to Xen-owned memory pages which should be deallocated. Missing hypervisor enforcement allows guests to retain access to freed pages. Similar issue to XSA-379

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15 Mar 2026 22:37Current
1.4Low risk
Vulners AI Score1.4
CVSS 3.17.8
44