https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sun, 04 Oct 2026 19:39:20 +0000 https://cve.radiocsirt.org/vuln/bdu:2023-08472 bdu:2023-08472 https://cve.radiocsirt.org/vuln/bdu:2023-08472 https://cve.radiocsirt.org/vuln/certfr-2023-avi-0938 certfr-2023-avi-0938 https://cve.radiocsirt.org/vuln/certfr-2023-avi-0938 https://cve.radiocsirt.org/vuln/euvd-2026-259892 EUVD-2026-259892 https://cve.radiocsirt.org/vuln/euvd-2026-259892 https://cve.radiocsirt.org/vuln/fkie_cve-2023-46836 <p>The fixes for XSA-422 (Branch Type Confusion) and XSA-434 (Speculative Return Stack Overflow) are not IRQ-safe. It was believed that the mitigations always operated in contexts with IRQs disabled.</p> <p>However, the original XSA-254 fix for Meltdown (XPTI) deliberately left interrupts enabled on two entry paths; one unconditionally, and one conditionally on whether XPTI was active.</p> <p>As BTC/SRSO and Meltdown affect different CPU vendors, the mitigations are not active together by default. Therefore, there is a race condition whereby a malicious PV guest can bypass BTC/SRSO protections and launch a BTC/SRSO attack against Xen.</p> <p>The fixes for XSA-422 (Branch Type Confusion) and XSA-434 (Speculative Return Stack Overflow) are not IRQ-safe. It was believed that the mitigations always operated in contexts with IRQs disabled.</p> <p>However, the original XSA-254 fix for Meltdown (XPTI) deliberately left interrupts enabled on two entry paths; one unconditionally, and one conditionally on whether XPTI was active.</p> <p>As BTC/SRSO and Meltdown affect different CPU vendors, the mitigations are not active together by default. Therefore, there is a race condition whereby a malicious PV guest can bypass BTC/SRSO protections and launch a BTC/SRSO attack against Xen.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2023-46836 https://cve.radiocsirt.org/vuln/ghsa-4rmw-8gh7-w6g3 <p>The fixes for XSA-422 (Branch Type Confusion) and XSA-434 (Speculative Return Stack Overflow) are not IRQ-safe. It was believed that the mitigations always operated in contexts with IRQs disabled.</p> <p>However, the original XSA-254 fix for Meltdown (XPTI) deliberately left interrupts enabled on two entry paths; one unconditionally, and one conditionally on whether XPTI was active.</p> <p>As BTC/SRSO and Meltdown affect different CPU vendors, the mitigations are not active together by default. Therefore, there is a race condition whereby a malicious PV guest can bypass BTC/SRSO protections and launch a BTC/SRSO attack against Xen.</p> <p>The fixes for XSA-422 (Branch Type Confusion) and XSA-434 (Speculative Return Stack Overflow) are not IRQ-safe. It was believed that the mitigations always operated in contexts with IRQs disabled.</p> <p>However, the original XSA-254 fix for Meltdown (XPTI) deliberately left interrupts enabled on two entry paths; one unconditionally, and one conditionally on whether XPTI was active.</p> <p>As BTC/SRSO and Meltdown affect different CPU vendors, the mitigations are not active together by default. Therefore, there is a race condition whereby a malicious PV guest can bypass BTC/SRSO protections and launch a BTC/SRSO attack against Xen.</p> https://cve.radiocsirt.org/vuln/ghsa-4rmw-8gh7-w6g3 https://cve.radiocsirt.org/vuln/gsd-2023-46836 gsd-2023-46836 https://cve.radiocsirt.org/vuln/gsd-2023-46836 https://cve.radiocsirt.org/vuln/opensuse-su-2024:13442-1 <p>xen-4.18.0_02-1.1 on GA media</p> <p>xen-4.18.0_02-1.1 on GA media</p> https://cve.radiocsirt.org/vuln/opensuse-su-2024:13442-1 https://cve.radiocsirt.org/vuln/suse-su-2023:4466-1 <p>Security update for xen</p> <p>Security update for xen</p> https://cve.radiocsirt.org/vuln/suse-su-2023:4466-1 https://cve.radiocsirt.org/vuln/ubuntu-cve-2023-46836 <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>The fixes for XSA-422 (Branch Type Confusion) and XSA-434 (Speculative Return Stack Overflow) are not IRQ-safe. It was believed that the mitigations always operated in contexts with IRQs disabled. However, the original XSA-254 fix for Meltdown (XPTI) deliberately left interrupts enabled on two entry paths; one unconditionally, and one conditionally on whether XPTI was active. As BTC/SRSO and Meltdown affect different CPU vendors, the mitigations are not active together by default. Therefore, there is a race condition whereby a malicious PV guest can bypass BTC/SRSO protections and launch a BTC/SRSO attack against Xen.</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>The fixes for XSA-422 (Branch Type Confusion) and XSA-434 (Speculative Return Stack Overflow) are not IRQ-safe. It was believed that the mitigations always operated in contexts with IRQs disabled. However, the original XSA-254 fix for Meltdown (XPTI) deliberately left interrupts enabled on two entry paths; one unconditionally, and one conditionally on whether XPTI was active. As BTC/SRSO and Meltdown affect different CPU vendors, the mitigations are not active together by default. Therefore, there is a race condition whereby a malicious PV guest can bypass BTC/SRSO protections and launch a BTC/SRSO attack against Xen.</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2023-46836 https://cve.radiocsirt.org/vuln/wid-sec-w-2023-2900 <p>Ein lokaler Angreifer kann mehrere Schwachstellen in Xen ausnutzen, um Informationen offenzulegen.</p> <p>Ein lokaler Angreifer kann mehrere Schwachstellen in Xen ausnutzen, um Informationen offenzulegen.</p> https://cve.radiocsirt.org/vuln/wid-sec-w-2023-2900