Vulnerability DatabaseCVE-2020-8649
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CVE-2020-8649
Published:February 06, 2020
Updated:October 08, 2026
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vgacon_invert_region function in drivers/video/console/vgacon.c.
Related Resources (9)
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-8649
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
https://security-tracker.debian.org/tracker/CVE-2020-8649
https://access.redhat.com/security/cve/CVE-2020-8649
https://www.debian.org/security/2020/dsa-4698
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00039.html
https://bugzilla.kernel.org/show_bug.cgi?id=206357
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CVSS v4
Base Score:
5.2
Attack Vector
PHYSICAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.9
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Use After Free
CWE-416
EPSS
Base Score:
0.49