https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 07 Oct 2026 03:04:49 +0000 https://cve.radiocsirt.org/vuln/cve-2026-62436 <p><strong>Affected:</strong> Xen</p> <p>[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.]</p> <p>With the introduction of Grant Table v2 came the requirement to be able to switch between versions. Switching from v1 to v2 reduces the number of valid grant references, as a bigger shared entry structure is then needed while the shared table doesn&#39;t change size. Switching from v2 back to v1 the status frames, which are separate in v2, go away.</p> <p>Code holding, but intermediately dropping and then re-acquiring the grant table lock, sometimes wrongly assumes that said properties wouldn&#39;t change across the window in time where the lock is not being held.</p> <p>The v1 -&gt; v2 issue is CVE-2026-62435.</p> <p>The v2 -&gt; v1 issue is CVE-2026-62436.</p> <p><strong>Affected:</strong> Xen</p> <p>[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.]</p> <p>With the introduction of Grant Table v2 came the requirement to be able to switch between versions. Switching from v1 to v2 reduces the number of valid grant references, as a bigger shared entry structure is then needed while the shared table doesn&#39;t change size. Switching from v2 back to v1 the status frames, which are separate in v2, go away.</p> <p>Code holding, but intermediately dropping and then re-acquiring the grant table lock, sometimes wrongly assumes that said properties wouldn&#39;t change across the window in time where the lock is not being held.</p> <p>The v1 -&gt; v2 issue is CVE-2026-62435.</p> <p>The v2 -&gt; v1 issue is CVE-2026-62436.</p> https://cve.radiocsirt.org/vuln/cve-2026-62436