https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sun, 04 Oct 2026 08:24:08 +0000 https://cve.radiocsirt.org/vuln/bdu:2022-01886 bdu:2022-01886 https://cve.radiocsirt.org/vuln/bdu:2022-01886 https://cve.radiocsirt.org/vuln/certfr-2021-avi-660 certfr-2021-avi-660 https://cve.radiocsirt.org/vuln/certfr-2021-avi-660 https://cve.radiocsirt.org/vuln/euvd-2026-26061 EUVD-2026-26061 https://cve.radiocsirt.org/vuln/euvd-2026-26061 https://cve.radiocsirt.org/vuln/fkie_cve-2021-28698 <p>long running loops in grant table handling In order to properly monitor resource use, Xen maintains information on the grant mappings a domain may create to map grants offered by other domains. In the process of carrying out certain actions, Xen would iterate over all such entries, including ones which aren&#39;t in use anymore and some which may have been created but never used. If the number of entries for a given domain is large enough, this iterating of the entire table may tie up a CPU for too long, starving other domains or causing issues in the hypervisor itself. Note that a domain may map its own grants, i.e. there is no need for multiple domains to be involved here. A pair of &#34;cooperating&#34; guests may, however, cause the effects to be more severe.</p> <p>long running loops in grant table handling In order to properly monitor resource use, Xen maintains information on the grant mappings a domain may create to map grants offered by other domains. In the process of carrying out certain actions, Xen would iterate over all such entries, including ones which aren&#39;t in use anymore and some which may have been created but never used. If the number of entries for a given domain is large enough, this iterating of the entire table may tie up a CPU for too long, starving other domains or causing issues in the hypervisor itself. Note that a domain may map its own grants, i.e. there is no need for multiple domains to be involved here. A pair of &#34;cooperating&#34; guests may, however, cause the effects to be more severe.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2021-28698 https://cve.radiocsirt.org/vuln/ghsa-2g34-x978-mw32 <p>long running loops in grant table handling In order to properly monitor resource use, Xen maintains information on the grant mappings a domain may create to map grants offered by other domains. In the process of carrying out certain actions, Xen would iterate over all such entries, including ones which aren&#39;t in use anymore and some which may have been created but never used. If the number of entries for a given domain is large enough, this iterating of the entire table may tie up a CPU for too long, starving other domains or causing issues in the hypervisor itself. Note that a domain may map its own grants, i.e. there is no need for multiple domains to be involved here. A pair of &#34;cooperating&#34; guests may, however, cause the effects to be more severe.</p> <p>long running loops in grant table handling In order to properly monitor resource use, Xen maintains information on the grant mappings a domain may create to map grants offered by other domains. In the process of carrying out certain actions, Xen would iterate over all such entries, including ones which aren&#39;t in use anymore and some which may have been created but never used. If the number of entries for a given domain is large enough, this iterating of the entire table may tie up a CPU for too long, starving other domains or causing issues in the hypervisor itself. Note that a domain may map its own grants, i.e. there is no need for multiple domains to be involved here. A pair of &#34;cooperating&#34; guests may, however, cause the effects to be more severe.</p> https://cve.radiocsirt.org/vuln/ghsa-2g34-x978-mw32 https://cve.radiocsirt.org/vuln/gsd-2021-28698 gsd-2021-28698 https://cve.radiocsirt.org/vuln/gsd-2021-28698 https://cve.radiocsirt.org/vuln/opensuse-su-2021:1236-1 <p>Security update for xen</p> <p>Security update for xen</p> https://cve.radiocsirt.org/vuln/opensuse-su-2021:1236-1 https://cve.radiocsirt.org/vuln/suse-su-2021:14848-1 <p>Security update for xen</p> <p>Security update for xen</p> https://cve.radiocsirt.org/vuln/suse-su-2021:14848-1 https://cve.radiocsirt.org/vuln/ubuntu-cve-2021-28698 <p><strong>Affected:</strong> Ubuntu:16.04:LTS: xen, Ubuntu:18.04:LTS: xen, Ubuntu:20.04:LTS: xen, Ubuntu:22.04:LTS: xen, Ubuntu:24.04:LTS: xen, Ubuntu:25.10: xen, Ubuntu:26.04:LTS: xen</p> <p>long running loops in grant table handling In order to properly monitor resource use, Xen maintains information on the grant mappings a domain may create to map grants offered by other domains. In the process of carrying out certain actions, Xen would iterate over all such entries, including ones which aren&#39;t in use anymore and some which may have been created but never used. If the number of entries for a given domain is large enough, this iterating of the entire table may tie up a CPU for too long, starving other domains or causing issues in the hypervisor itself. Note that a domain may map its own grants, i.e. there is no need for multiple domains to be involved here. A pair of &#34;cooperating&#34; guests may, however, cause the effects to be more severe.</p> <p><strong>Affected:</strong> Ubuntu:16.04:LTS: xen, Ubuntu:18.04:LTS: xen, Ubuntu:20.04:LTS: xen, Ubuntu:22.04:LTS: xen, Ubuntu:24.04:LTS: xen, Ubuntu:25.10: xen, Ubuntu:26.04:LTS: xen</p> <p>long running loops in grant table handling In order to properly monitor resource use, Xen maintains information on the grant mappings a domain may create to map grants offered by other domains. In the process of carrying out certain actions, Xen would iterate over all such entries, including ones which aren&#39;t in use anymore and some which may have been created but never used. If the number of entries for a given domain is large enough, this iterating of the entire table may tie up a CPU for too long, starving other domains or causing issues in the hypervisor itself. Note that a domain may map its own grants, i.e. there is no need for multiple domains to be involved here. A pair of &#34;cooperating&#34; guests may, however, cause the effects to be more severe.</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2021-28698