The cumulative Virtuozzo ReadyKernel patch was updated with security fixes. The patch applies to all supported kernels of Virtuozzo Hybrid Server 7.x.
Vulnerability id: CVE-2022-1966
[3.10.0-1127.8.2.vz7.158.8 to 3.10.0-1160.53.1.vz7.185.3] The bug allows to initialize a non-stateful lookup expressions which points to a not properly detached set, which might lead to UAF.
Vulnerability id: PSBM-139465
[3.10.0-1127.8.2.vz7.158.8 to 3.10.0-1160.53.1.vz7.185.3] CPU hotplug leads to a VM crash on AMD processors with PCID.
readykernel.com/patch/Virtuozzo-7/readykernel-patch-158.8-143.0-1.vl7/
readykernel.com/patch/Virtuozzo-7/readykernel-patch-163.46-143.0-1.vl7/
readykernel.com/patch/Virtuozzo-7/readykernel-patch-174.13-143.0-1.vl7/
readykernel.com/patch/Virtuozzo-7/readykernel-patch-183.5-143.0-1.vl7/
readykernel.com/patch/Virtuozzo-7/readykernel-patch-185.3-143.0-1.vl7/