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 H N U L L H 5.6 .0035 27.3 —
AFFECTED Product Versions Fixed kernel Linux kernel versions before 5.9-rc6 – —
TIMELINE Jun 17 Reserved by redhat Sep 18 Published (CNA: redhat) Oct 8 ENRICHED — CVE-2020-14390 (kernel). Received CVSS 5.6 and CPE data from NVD.
A flaw was found in the Linux kernel in versions before 5.9-rc6. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.
| Date | Event | Detail |
|---|---|---|
| June 17, 2020 | Reserved | Reserved by redhat |
| September 18, 2020 | Published | Published (CNA: redhat) |
| October 8, 2026 | ENRICHED | ENRICHED — CVE-2020-14390 (kernel). Received CVSS 5.6 and CPE data from NVD. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| n/a | kernel | — | Linux kernel versions before 5.9-rc6 | — |
Authoritative record: CVE-2020-14390 at cve.org
Weaknesses: CWE-787
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-14390 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.
