https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 05 Oct 2026 13:24:37 +0000 https://cve.radiocsirt.org/vuln/certfr-2023-avi-0766 certfr-2023-avi-0766 https://cve.radiocsirt.org/vuln/certfr-2023-avi-0766 https://cve.radiocsirt.org/vuln/euvd-2026-259667 EUVD-2026-259667 https://cve.radiocsirt.org/vuln/euvd-2026-259667 https://cve.radiocsirt.org/vuln/fkie_cve-2023-34322 <p>For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV guests may be run in shadow paging mode. Since Xen itself needs to be mapped when PV guests run, Xen and shadowed PV guests run directly the respective shadow page tables. For 64-bit PV guests this means running on the shadow of the guest root page table.</p> <p>In the course of dealing with shortage of memory in the shadow pool associated with a domain, shadows of page tables may be torn down. This tearing down may include the shadow root page table that the CPU in question is presently running on. While a precaution exists to supposedly prevent the tearing down of the underlying live page table, the time window covered by that precaution isn&#39;t large enough.</p> <p>For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV guests may be run in shadow paging mode. Since Xen itself needs to be mapped when PV guests run, Xen and shadowed PV guests run directly the respective shadow page tables. For 64-bit PV guests this means running on the shadow of the guest root page table.</p> <p>In the course of dealing with shortage of memory in the shadow pool associated with a domain, shadows of page tables may be torn down. This tearing down may include the shadow root page table that the CPU in question is presently running on. While a precaution exists to supposedly prevent the tearing down of the underlying live page table, the time window covered by that precaution isn&#39;t large enough.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2023-34322 https://cve.radiocsirt.org/vuln/ghsa-3qxp-p56x-r4h3 <p>For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV guests may be run in shadow paging mode. Since Xen itself needs to be mapped when PV guests run, Xen and shadowed PV guests run directly the respective shadow page tables. For 64-bit PV guests this means running on the shadow of the guest root page table.</p> <p>In the course of dealing with shortage of memory in the shadow pool associated with a domain, shadows of page tables may be torn down. This tearing down may include the shadow root page table that the CPU in question is presently running on. While a precaution exists to supposedly prevent the tearing down of the underlying live page table, the time window covered by that precaution isn&#39;t large enough.</p> <p>For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV guests may be run in shadow paging mode. Since Xen itself needs to be mapped when PV guests run, Xen and shadowed PV guests run directly the respective shadow page tables. For 64-bit PV guests this means running on the shadow of the guest root page table.</p> <p>In the course of dealing with shortage of memory in the shadow pool associated with a domain, shadows of page tables may be torn down. This tearing down may include the shadow root page table that the CPU in question is presently running on. While a precaution exists to supposedly prevent the tearing down of the underlying live page table, the time window covered by that precaution isn&#39;t large enough.</p> https://cve.radiocsirt.org/vuln/ghsa-3qxp-p56x-r4h3 https://cve.radiocsirt.org/vuln/gsd-2023-34322 gsd-2023-34322 https://cve.radiocsirt.org/vuln/gsd-2023-34322 https://cve.radiocsirt.org/vuln/opensuse-su-2024:13257-1 <p>xen-4.17.2_04-1.1 on GA media</p> <p>xen-4.17.2_04-1.1 on GA media</p> https://cve.radiocsirt.org/vuln/opensuse-su-2024:13257-1 https://cve.radiocsirt.org/vuln/suse-su-2023:3831-1 <p>Security update for xen</p> <p>Security update for xen</p> https://cve.radiocsirt.org/vuln/suse-su-2023:3831-1 https://cve.radiocsirt.org/vuln/ubuntu-cve-2023-34322 <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>For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV guests may be run in shadow paging mode. Since Xen itself needs to be mapped when PV guests run, Xen and shadowed PV guests run directly the respective shadow page tables. For 64-bit PV guests this means running on the shadow of the guest root page table. In the course of dealing with shortage of memory in the shadow pool associated with a domain, shadows of page tables may be torn down. This tearing down may include the shadow root page table that the CPU in question is presently running on. While a precaution exists to supposedly prevent the tearing down of the underlying live page table, the time window covered by that precaution isn&#39;t large enough.</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>For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV guests may be run in shadow paging mode. Since Xen itself needs to be mapped when PV guests run, Xen and shadowed PV guests run directly the respective shadow page tables. For 64-bit PV guests this means running on the shadow of the guest root page table. In the course of dealing with shortage of memory in the shadow pool associated with a domain, shadows of page tables may be torn down. This tearing down may include the shadow root page table that the CPU in question is presently running on. While a precaution exists to supposedly prevent the tearing down of the underlying live page table, the time window covered by that precaution isn&#39;t large enough.</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2023-34322 https://cve.radiocsirt.org/vuln/wid-sec-w-2023-2399 <p>Ein lokaler Angreifer kann eine Schwachstelle in Xen ausnutzen, um seine Privilegien zu erhöhen, einen Denial of Service zu verursachen oder Informationen offenzulegen.</p> <p>Ein lokaler Angreifer kann eine Schwachstelle in Xen ausnutzen, um seine Privilegien zu erhöhen, einen Denial of Service zu verursachen oder Informationen offenzulegen.</p> https://cve.radiocsirt.org/vuln/wid-sec-w-2023-2399