vulnerability Multiples vulnérabilités dans Xen (29 juillet 2026) Multiple vulnerabilities have been discovered in Xen virtualization software. These vulnerabilities allow for potential data compromise, denial of service, and privilege escalation. The affected Xen versions are all without the latest security patch. The vulnerabilities are tracked under CVE-2026-42492 through CVE-202… CERT-FR · Jul 29, 2026 High CVE-2026-42492CVE-2026-42493CVE-2026-42494xenvulnerabilityhypervisor
threat-intel OVH reveals semi-secret plan to fix critical Januscape hypervisor bug with mass reboots – and an Australian crash-test dummy OVH, a cloud infrastructure provider, is addressing a critical bug in its Januscape hypervisor through a planned system-wide reboot. This follows reports of exploitation attempts targeting the vulnerability, highlighting… The Register · Jul 21, 2026 High CVE-2026-53359hypervisorcloud securityvulnerability
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
