An issue was discovered in the Linux kernel before 5.6. svm_cpu_uninit in arch/x86/kvm/svm.c has a memory leak, aka CID-d80b64ff297e. NOTE: third parties dispute this issue because it's a one-time leak at the boot, the size is negligible, and it can't be triggered at will
https://www.debian.org/security/2020/dsa-4699
https://usn.ubuntu.com/4413-1/
https://usn.ubuntu.com/4412-1/
https://usn.ubuntu.com/4411-1/