CVE-2026-62426

A flaw was found in Xen. The system's sysctl operations utilize a global lock that lacks fairness in its acquisition mechanism. Additionally, when Xen Security Modules XSM with Flask are active, this lock can be acquired before proper permission checks are performed. This vulnerability could allo...

CVE-2026-62427

A flaw was found in Xen. The system-wide locks used for platform operations, which manage the system, do not ensure fair access. When Xen Security Modules XSM and Flask are active, these locks can be acquired before necessary permission checks are performed for certain operations. This could allo...