CVE-2020-36311
MEDIUM5.5EPSS 0.08%linux - security update
Published: 4/7/2021Modified: 4/28/2026
Description
An issue was discovered in the Linux kernel before 5.9. arch/x86/kvm/svm/sev.c allows attackers to cause a denial of service (soft lockup) by triggering destruction of a large SEV VM (which requires unregistering many encrypted regions), aka CID-7be74942f184.
Affected packages (3)
- Debian/linuxfrom 0, < 5.9.1-1
- Debian/linuxfrom 0, < 4.19.194-3
- Debian/linux-4.19from 0, < 4.19.194-3~deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |