https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sun, 04 Oct 2026 19:41:41 +0000 https://cve.radiocsirt.org/vuln/bdu:2024-07257 bdu:2024-07257 https://cve.radiocsirt.org/vuln/bdu:2024-07257 https://cve.radiocsirt.org/vuln/certfr-2024-avi-0286 certfr-2024-avi-0286 https://cve.radiocsirt.org/vuln/certfr-2024-avi-0286 https://cve.radiocsirt.org/vuln/euvd-2026-258986 EUVD-2026-258986 https://cve.radiocsirt.org/vuln/euvd-2026-258986 https://cve.radiocsirt.org/vuln/fkie_cve-2023-46842 <p>Unlike 32-bit PV guests, HVM guests may switch freely between 64-bit and other modes. This in particular means that they may set registers used to pass 32-bit-mode hypercall arguments to values outside of the range 32-bit code would be able to set them to.</p> <p>When processing of hypercalls takes a considerable amount of time, the hypervisor may choose to invoke a hypercall continuation. Doing so involves putting (perhaps updated) hypercall arguments in respective registers. For guests not running in 64-bit mode this further involves a certain amount of translation of the values.</p> <p>Unfortunately internal sanity checking of these translated values assumes high halves of registers to always be clear when invoking a hypercall. When this is found not to be the case, it triggers a consistency check in the hypervisor and causes a crash.</p> <p>Unlike 32-bit PV guests, HVM guests may switch freely between 64-bit and other modes. This in particular means that they may set registers used to pass 32-bit-mode hypercall arguments to values outside of the range 32-bit code would be able to set them to.</p> <p>When processing of hypercalls takes a considerable amount of time, the hypervisor may choose to invoke a hypercall continuation. Doing so involves putting (perhaps updated) hypercall arguments in respective registers. For guests not running in 64-bit mode this further involves a certain amount of translation of the values.</p> <p>Unfortunately internal sanity checking of these translated values assumes high halves of registers to always be clear when invoking a hypercall. When this is found not to be the case, it triggers a consistency check in the hypervisor and causes a crash.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2023-46842 https://cve.radiocsirt.org/vuln/ghsa-hcr5-hp8w-36q9 <p>Unlike 32-bit PV guests, HVM guests may switch freely between 64-bit and other modes. This in particular means that they may set registers used to pass 32-bit-mode hypercall arguments to values outside of the range 32-bit code would be able to set them to.</p> <p>When processing of hypercalls takes a considerable amount of time, the hypervisor may choose to invoke a hypercall continuation. Doing so involves putting (perhaps updated) hypercall arguments in respective registers. For guests not running in 64-bit mode this further involves a certain amount of translation of the values.</p> <p>Unfortunately internal sanity checking of these translated values assumes high halves of registers to always be clear when invoking a hypercall. When this is found not to be the case, it triggers a consistency check in the hypervisor and causes a crash.</p> <p>Unlike 32-bit PV guests, HVM guests may switch freely between 64-bit and other modes. This in particular means that they may set registers used to pass 32-bit-mode hypercall arguments to values outside of the range 32-bit code would be able to set them to.</p> <p>When processing of hypercalls takes a considerable amount of time, the hypervisor may choose to invoke a hypercall continuation. Doing so involves putting (perhaps updated) hypercall arguments in respective registers. For guests not running in 64-bit mode this further involves a certain amount of translation of the values.</p> <p>Unfortunately internal sanity checking of these translated values assumes high halves of registers to always be clear when invoking a hypercall. When this is found not to be the case, it triggers a consistency check in the hypervisor and causes a crash.</p> https://cve.radiocsirt.org/vuln/ghsa-hcr5-hp8w-36q9 https://cve.radiocsirt.org/vuln/gsd-2023-46842 gsd-2023-46842 https://cve.radiocsirt.org/vuln/gsd-2023-46842 https://cve.radiocsirt.org/vuln/opensuse-su-2024:13853-1 <p>xen-4.18.2_02-1.1 on GA media</p> <p>xen-4.18.2_02-1.1 on GA media</p> https://cve.radiocsirt.org/vuln/opensuse-su-2024:13853-1 https://cve.radiocsirt.org/vuln/suse-su-2024:1259-1 <p>Security update for xen</p> <p>Security update for xen</p> https://cve.radiocsirt.org/vuln/suse-su-2024:1259-1 https://cve.radiocsirt.org/vuln/ubuntu-cve-2023-46842 <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>Unlike 32-bit PV guests, HVM guests may switch freely between 64-bit and other modes. This in particular means that they may set registers used to pass 32-bit-mode hypercall arguments to values outside of the range 32-bit code would be able to set them to. When processing of hypercalls takes a considerable amount of time, the hypervisor may choose to invoke a hypercall continuation. Doing so involves putting (perhaps updated) hypercall arguments in respective registers. For guests not running in 64-bit mode this further involves a certain amount of translation of the values. Unfortunately internal sanity checking of these translated values assumes high halves of registers to always be clear when invoking a hypercall. When this is found not to be the case, it triggers a consistency check in the hypervisor and causes a crash.</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>Unlike 32-bit PV guests, HVM guests may switch freely between 64-bit and other modes. This in particular means that they may set registers used to pass 32-bit-mode hypercall arguments to values outside of the range 32-bit code would be able to set them to. When processing of hypercalls takes a considerable amount of time, the hypervisor may choose to invoke a hypercall continuation. Doing so involves putting (perhaps updated) hypercall arguments in respective registers. For guests not running in 64-bit mode this further involves a certain amount of translation of the values. Unfortunately internal sanity checking of these translated values assumes high halves of registers to always be clear when invoking a hypercall. When this is found not to be the case, it triggers a consistency check in the hypervisor and causes a crash.</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2023-46842 https://cve.radiocsirt.org/vuln/wid-sec-w-2024-0831 <p>Ein lokaler Angreifer kann mehrere Schwachstellen in Xen ausnutzen, um einen Denial of Service Angriff durchzuführen.</p> <p>Ein lokaler Angreifer kann mehrere Schwachstellen in Xen ausnutzen, um einen Denial of Service Angriff durchzuführen.</p> https://cve.radiocsirt.org/vuln/wid-sec-w-2024-0831