Vulnerability DatabaseCVE-2020-8647
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CVE-2020-8647
Published:February 06, 2020
Updated:October 10, 2026
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vc_do_resize function in drivers/tty/vt/vt.c.
Related Resources (9)
https://bugzilla.kernel.org/show_bug.cgi?id=206359
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-8647
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00039.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
https://www.debian.org/security/2020/dsa-4698
https://security-tracker.debian.org/tracker/CVE-2020-8647
https://access.redhat.com/security/cve/CVE-2020-8647
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
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CVSS v4
Base Score:
6.9
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.1
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Use After Free
CWE-416
EPSS
Base Score:
0.41