Most recent entries from all https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Thu, 08 Oct 2026 04:15:41 +0000 CVE-2026-23558 — grant table v2 race in status page mapping https://cve.radiocsirt.org/vuln/cve-2026-23558 <p><strong>Affected:</strong> Xen</p> <p>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&#39;s secondary (P2M) page tables.</p> <p><strong>Affected:</strong> Xen</p> <p>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&#39;s secondary (P2M) page tables.</p> https://cve.radiocsirt.org/vuln/cve-2026-23558