Kernel security update: Virtuozzo ReadyKernel patch 109.0 for Virtuozzo Hybrid Server 7.0, Virtuozzo Infrastructure Platform 2.5, 3.0, and Virtuozzo Hybrid Infrastructure 3.5

The cumulative Virtuozzo ReadyKernel patch was updated with security and stability fixes. The patch applies to all supported kernels of Virtuozzo Hybrid Server 7.0, Virtuozzo Infrastructure Platform, and Virtuozzo Hybrid Infrastructure.
Vulnerability id: CVE-2020-12114
[3.10.0-862.20.2.vz7.73.24 to 3.10.0-1127.8.2.vz7.151.14] Denial of service by corrupting mountpoint reference counter. It was discovered that a race condition was possible between pivot_root() and put_mountpoint() operations. A local unprivileged attacker could exploit this to corrupt mountpoint reference counter and cause a denial of service (kernel crash).