Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV L L L N U N N H 5.5 .0034 25.4 —
AFFECTED Product Versions Fixed n/a n/a – —
TIMELINE Apr 6 Reserved by mitre Apr 6 Published (CNA: mitre) Oct 8 ENRICHED — CVE-2020-36311. Received CVSS 5.5 and CPE data from NVD.
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.
| Date | Event | Detail |
|---|---|---|
| April 6, 2021 | Reserved | Reserved by mitre |
| April 6, 2021 | Published | Published (CNA: mitre) |
| October 8, 2026 | ENRICHED | ENRICHED — CVE-2020-36311. Received CVSS 5.5 and CPE data from NVD. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| n/a | n/a | — | n/a | — |
Authoritative record: CVE-2020-36311 at cve.org
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-36311 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
