Vulnerability Database

319,592

Total vulnerabilities in the database

CVE-2020-36311

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.

  • Published: Apr 7, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-36311
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.5
  • AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 2.1
  • AV:L/AC:L/Au:N/C:N/I:N/A:P

No CWE or OWASP classifications available.

Software From Fixed in
linux / linux_kernel - 5.9.0
debian / debian_linux 9.0 9.0.x
debian / debian_linux 10.0 10.0.x