vulnerability New Zapscape KVM Flaw Could Let Privileged L1 Guest Code Escape to Linux Hosts A vulnerability (CVE-2026-64561) in the KVM virtualization software allows a privileged guest user to potentially escape the virtualization environment and execute code on the host system. This stems from a stale-root check ordering flaw within KVM's shadow memory management unit (MMU). The issue requires nested virtua… The Hacker News · Aug 6, 2026 High CVE-2026-64561CVE-2026-53359CVE-2026-46316kvmshadow-mmunested virtualization
vulnerability Multiples vulnérabilités dans le noyau Linux d'Ubuntu (31 juillet 2026) Multiple vulnerabilities have been discovered in the Linux kernel of Ubuntu. Some of these vulnerabilities allow for privilege escalation, data confidentiality breaches, and data integrity compromise. These vulnerabiliti… CERT-FR · Jul 31, 2026 High CVE-2022-48816CVE-2022-49803CVE-2022-49961linuxsecurityvulnerability
threat-intel Multiples vulnérabilités dans le noyau Linux d'Ubuntu (24 juillet 2026) Multiple vulnerabilities have been discovered in the Linux kernel of Ubuntu. Some of these vulnerabilities allow for privilege escalation, data confidentiality breaches, and denial of service attacks. The vulnerabilities… CERT-FR · Jul 24, 2026 High CVE-2022-49803CVE-2022-49961CVE-2022-50073linuxkernelvulnerability
threat-intel Multiples vulnérabilités dans le noyau Linux d'Ubuntu (17 juillet 2026) Multiple vulnerabilities have been discovered in the Linux kernel of Ubuntu. Some of these vulnerabilities allow for privilege escalation, remote denial of service, and data confidentiality compromise. The vulnerabilitie… CERT-FR · Jul 17, 2026 High CVE-2021-47117CVE-2021-47202CVE-2022-48816linuxkernelvulnerability
vulnerability Multiples vulnérabilités dans le noyau Linux de Red Hat (17 juillet 2026) Multiple vulnerabilities have been discovered in Red Hat's Linux kernel. These vulnerabilities can lead to arbitrary code execution, privilege escalation, and a denial-of-service attack. Red Hat has released security adv… CERT-FR · Jul 17, 2026 High CVE-2025-38653CVE-2025-68183CVE-2025-68724linuxkernelvulnerability
threat-intel 16-Year-Old Linux KVM Flaw Lets Guest VMs Escape to Host on Intel and AMD x86 Systems A 16-year-old use-after-free vulnerability in Linux's KVM hypervisor, dubbed ‘Januscape’ (CVE-2026-53359), allows guest virtual machines to corrupt the host kernel's shadow-page state. Researcher Hyunwoo Kim discovered t… The Hacker News · Jul 6, 2026 High CVE-2026-53359CVE-2026-43284CVE-2026-43500use-after-freeshadow pagenested virtualization
