CVE-2020-14390

kernel: out-of-bounds write in fbcon_redraw_softback

Published Sep 18, 2020 CVSS 3.1 · 5.6 Medium EPSS < 1% KEV · Not listed
Description
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.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2385-1 linux-4.19 security update
Debian DLA Debian DLA DLA-2420-1 linux security update
Debian DLA Debian DLA DLA-2420-2 linux regression update
EUVD EUVD EUVD-2020-6529 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.
Ubuntu USN Ubuntu USN USN-4657-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4658-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4660-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4912-1 Linux kernel (OEM) vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Oct 8, 2026, 9:03 PM
Reserved
Jun 17, 2020, 12:00 AM
Status
Modified
Published
Sep 18, 2020, 6:15 PM
Modified
Oct 8, 2026, 9:17 PM
Severity
Low
Public date
Sep 15, 2020, 12:00 AM