Disclosure summary
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.
Source-reported weakness categories
CWE-787
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2020-14390
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| linux | linux_kernel | * {"versionStartIncluding":"2.2.3","versionEndExcluding":"5.9.0"} |
| linux | linux_kernel | 5.9.0 |
| linux | linux_kernel | 5.9.0 |
| linux | linux_kernel | 5.9.0 |
| linux | linux_kernel | 5.9.0 |
| linux | linux_kernel | 5.9.0 |
| linux | linux_kernel | 5.9.0 |
| debian | debian_linux | 9.0 |
Original records & references
- NIST NVD record
- CVE Program record
- bugzilla.redhat.com
- lists.debian.org
- lists.debian.org
- bugzilla.redhat.com
- lists.debian.org
- lists.debian.org
PUBLISHED 2020-09-18T14:15:16-04:00
MODIFIED 2026-10-08T17:17:23-04:00
INGESTED 2026-10-10T20:50:19-04:00