CVE-2019-19252

kernel: vcs_write in drivers/tty/vt/vc_screen.c does not prevent write access to vcsu devices

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.0

Review impact separately from score.

Published · November 25, 2019

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel’s virtual console implementation of Unicode usage. This flaw allows a local attacker with permissions on the /dev/vcsu* devices to crash the system or corrupt memory.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-862 · Missing Authorization