Supported Distributions
Amazon Linux 1 & 2, Debian 7, 8, 9 & 10, CentOS 6, 6 Plus, 7, 7 Plus, Ubuntu 14.04 LTS, 16.04 LTS, 18.04 LTS & 20.04 LTS, CloudLinux OS 6, 6 Hybrid, 7 & 8, RHEL 6, 7 & 8, OpenVZ & Virtuozzo, Proxmox VE 2.x, 3.x & 4.x, Xen4CentOS 6 & 7, Oracle UEK 3, 4 & 5, Oracle Enterprise Linux 6, 7 & 8, Yocto, Ubuntu Core
Oracle Linux, RHEL, CentOS and Ubuntu
Supports kernels older than 3.10
Yes
Yes
24/7 support
Yes, online 24/7/365 Live chat support for premium versions
Yes, online and telephone 24/7
Available for new clients
Yes
Only for Oracle Linux
Pricing
From $2.25-$3.95 per month per server
A part of Oracle Linux Premier (Limited) Support Subscription - $2299 ($1399) per system per year
Trial
Free 30-day trial on all servers, POC available for large enterprise
Patchset distribution
Single patchset for all patches
Each patch represented as a separate kernel module
Patch size (how big is the patch)
Smaller size
Bigger size
32bit support
Custom
Yes
Roll-back functionality
Yes, rebootless
Yes, rebootless
Major vulnerability patch release timing
Often before or shortly after base distribution
Always after the patch is included with the base distribution
Glibc patching
Yes, in KernelCare+ package
Yes
OpenSSL patching
Yes, in KernelCare+ package
Yes
QEMU patching
Coming soon
No
Binary patches for known vulnerabilities
Yes
Yes
API
Yes
Yes
Works behind firewall
Yes
Yes
Can be used to generate your own patches
Custom/on request
No
Commercial
Yes
Yes
64bit support
Yes
Yes
Custom patches
Yes
No
Security updates for IoT Devices
Yes
No

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Ksplice is a registered trademark of Oracle International Corporation and/or its affiliates. Other names may be trademarks of their respective owners.
Kpatch is a registered trademark of Red Hat, Inc.
Canonical Livepatch Service is a registered trademark of Canonical Ltd.

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